stasvinokur/cve-and-cwe-dataset-1999-2025 huggingface dataset:
CVE-2011-4509 (severity: HIGH, weakness: CWE-264)
The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime has an improperly selected default password for the administrator account, which makes it easier for remote attackers to obtain access via a brute-force approach involving many HTTP requests.
CVE-2011-4510 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2011-4511.
CVE-2011-4511 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2011-4510.
CVE-2011-4512 (severity: MEDIUM, weakness: CWE-94)
CRLF injection vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.
CVE-2011-4513 (severity: HIGH, weakness: NVD-CWE-Other)
Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime allow user-assisted remote attackers to execute arbitrary code via a crafted project file, related to the HMI web server and runtime loader.
CVE-2011-4514 (severity: HIGH, weakness: CWE-287)
The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not perform authentication, which makes it easier for remote attackers to obtain access via a TCP session.
CVE-2011-4515 (severity: MEDIUM, weakness: CWE-255)
Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable files, which allows local users to obtain sensitive information by leveraging (1) physical access or (2) Sm@rt Server access.
CVE-2011-4516 (severity: MEDIUM, weakness: CWE-787)
Heap-based buffer overflow in the jpc_cox_getcompparms function in libjasper/jpc/jpc_cs.c in JasPer 1.900.1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted numrlvls value in a coding style default (COD) marker segment in a JPEG2000 file.
CVE-2011-4517 (severity: MEDIUM, weakness: CWE-787)
The jpc_crg_getparms function in libjasper/jpc/jpc_cs.c in JasPer 1.900.1 uses an incorrect data type during a certain size calculation, which allows remote attackers to trigger a heap-based buffer overflow and execute arbitrary code, or cause a denial of service (heap memory corruption), via a crafted component registration (CRG) marker segment in a JPEG2000 file.
CVE-2011-4518 (severity: MEDIUM, weakness: CWE-22)
Directory traversal vulnerability in the PmWebDir object in the web server in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to read arbitrary files via unspecified vectors.
CVE-2011-4519 (severity: MEDIUM, weakness: CWE-119)
Stack-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to cause a denial of service via a crafted web page.
CVE-2011-4520 (severity: MEDIUM, weakness: CWE-119)
Heap-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to cause a denial of service via a crafted web page.
CVE-2011-4521 (severity: HIGH, weakness: CWE-89)
SQL injection vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary SQL commands via crafted string input.
CVE-2011-4522 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in bwerrdn.asp in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to inject arbitrary web script or HTML via unspecified parameters.
CVE-2011-4523 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in bwview.asp in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to inject arbitrary web script or HTML via unspecified parameters.
CVE-2011-4524 (severity: HIGH, weakness: CWE-119)
Buffer overflow in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary code via a long string value in unspecified parameters.
CVE-2011-4525 (severity: HIGH, weakness: CWE-264)
Advantech/BroadWin WebAccess before 7.0 allows remote attackers to trigger the extraction of arbitrary web content into a batch file on a client system, and execute this batch file, via unspecified vectors.
CVE-2011-4526 (severity: HIGH, weakness: CWE-119)
Buffer overflow in an ActiveX control in Advantech/BroadWin WebAccess before 7.0 might allow remote attackers to execute arbitrary code via a long string value in unspecified parameters.
CVE-2011-4528 (severity: MEDIUM, weakness: CWE-399)
Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response.
CVE-2011-4529 (severity: HIGH, weakness: CWE-119)
Multiple buffer overflows in Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allow remote attackers to execute arbitrary code via a long serialid field in an _licensekey command, as demonstrated by the (1) check_licensekey or (2) read_licensekey command.
CVE-2011-4530 (severity: MEDIUM, weakness: CWE-20)
Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields obtained from clients, which allows remote attackers to cause a denial of service (exception and daemon crash) via long fields, as demonstrated by fields to the (1) open_session->workstation->NAME or (2) grant->VERSION function.
CVE-2011-4531 (severity: MEDIUM, weakness: CWE-20)
Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted content in a (1) get_target_ocx_param or (2) send_target_ocx_param command.
CVE-2011-4532 (severity: MEDIUM, weakness: CWE-22)
Absolute path traversal vulnerability in the ALMListView.ALMListCtrl ActiveX control in almaxcx.dll in the graphical user interface in Siemens Automation License Manager (ALM) 2.0 through 5.1+SP1+Upd2 allows remote attackers to overwrite arbitrary files via the Save method.
CVE-2011-4533 (severity: HIGH, weakness: NVD-CWE-Other)
zenAdminSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted packet to TCP port 50777, aka Reference Number 25240.
CVE-2011-4534 (severity: HIGH, weakness: NVD-CWE-Other)
ZenSysSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a denial of service (service crash) or possibly execute arbitrary code via a series of connections and disconnections on TCP port 1101, aka Reference Number 25212.
CVE-2011-4535 (severity: MEDIUM, weakness: CWE-119)
Buffer overflow in TurboPower Abbrevia before 4.0, as used in ScadaTEC ScadaPhone 5.3.11.1230 and earlier, ScadaTEC ModbusTagServer 4.1.1.81 and earlier, and other products, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted ZIP file.
CVE-2011-4536 (severity: HIGH, weakness: CWE-119)
Heap-based buffer overflow in nettransdll.dll in HistorySvr.exe (aka HistoryServer.exe) in WellinTech KingView 6.53 and 65.30.2010.18018 allows remote attackers to execute arbitrary code via a crafted op-code 3 packet.
CVE-2011-4537 (severity: HIGH, weakness: CWE-119)
Multiple buffer overflows in 7-Technologies (7T) Interactive Graphical SCADA System (IGSS) 9.0.0.11355 and earlier allow remote attackers to execute arbitrary code or cause a denial of service via a crafted packet to TCP port (1) 12397 or (2) 12399.
CVE-2011-4538 (severity: MEDIUM, weakness: CWE-200)
Lexmark X, W, T, E, and C devices before 2012-02-09 allow attackers to obtain sensitive information by reading passwords within exported settings.
CVE-2011-4539 (severity: MEDIUM, weakness: CWE-20)
dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.
CVE-2011-4540 (severity: MEDIUM, weakness: CWE-79)
Multiple cross-site scripting (XSS) vulnerabilities in AtMail Open (aka AtMail Open-Source edition) 1.04 allow remote attackers to inject arbitrary web script or HTML via the func parameter to (1) ldap.php or (2) search.php.
CVE-2011-4541 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in index.php in Hastymail2 2.1.1 before RC2 allows remote attackers to inject arbitrary web script or HTML via the rs parameter in a mailbox Drafts action.
CVE-2011-4542 (severity: HIGH, weakness: CWE-89)
Hastymail2 2.1.1 before RC2 allows remote attackers to execute arbitrary commands via the (1) rs or (2) rsargs[] parameter in a mailbox Drafts action to the default URI.
CVE-2011-4543 (severity: HIGH, weakness: CWE-22)
Multiple directory traversal vulnerabilities in osCommerce 3.0.2 allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the (1) set or (2) module parameter to (a) OM/Core/Site/Admin/Application/templates_modules/pages/info.php, (b) OM/Core/Site/Admin/Application/templates_modules/pages/edit.php, or (c) OM/Core/Site/Admin/Application/templates_modules/pages/uninstall.php; the (3) set parameter to OM/Core/Site/Admin/Application/templates_modules/pages/main.php; the module parameter to (4) OM/Core/Site/Admin/Application/modules_order_total/pages/edit.php, (5) OM/Core/Site/Admin/Application/modules_order_total/pages/uninstall.php, (6) OM/Core/Site/Admin/Application/modules_order_total/pages/info.php, (7) OM/Core/Site/Admin/Application/modules_geoip/pages/edit.php, (8) OM/Core/Site/Admin/Application/modules_geoip/pages/uninstall.php, (9) OM/Core/Site/Admin/Application/images/pages/main.php, (10) OM/Core/Site/Admin/Application/modules_shipping/pages/edit.php, or (11) OM/Core/Site/Admin/Application/modules_shipping/pages/uninstall.php; the filter parameter to (12) OM/Core/Site/Admin/Application/templates_modules_layout/pages/main.php, (13) OM/Core/Site/Admin/Application/templates_modules_layout/pages/new.php, or (14) OM/Core/Site/Admin/Application/templates_modules_layout/pages/edit.php; or the template parameter to (15) OM/Core/Site/Admin/Application/templates/pages/info.php, (16) OM/Core/Site/Admin/Application/templates/pages/edit.php, or (17) OM/Core/Site/Admin/Application/templates/pages/uninstall.php.
CVE-2011-4544 (severity: MEDIUM, weakness: CWE-79)
Multiple cross-site scripting (XSS) vulnerabilities in Prestashop before 1.5 allow remote attackers to inject arbitrary web script or HTML via the (1) address or (2) relativ_base_dir parameter to modules/mondialrelay/googlemap.php; the (3) relativ_base_dir, (4) Pays, (5) Ville, (6) CP, (7) Poids, (8) Action, or (9) num parameter to prestashop/modules/mondialrelay/googlemap.php; (10) the num_mode parameter to modules/mondialrelay/kit_mondialrelay/RechercheDetailPointRelais_ajax.php; (11) the Expedition parameter to modules/mondialrelay/kit_mondialrelay/SuiviExpedition_ajax.php; or the (12) folder or (13) name parameter to admin/ajaxfilemanager/ajax_save_text.php.
CVE-2011-4545 (severity: MEDIUM, weakness: CWE-94)
CRLF injection vulnerability in admin/displayImage.php in Prestashop 1.4.4.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the name parameter.
CVE-2011-4547 (severity: MEDIUM, weakness: CWE-79)
Multiple cross-site scripting (XSS) vulnerabilities in includes/templates/template_default/common/tpl_header_test_info.php in Zen Cart 1.3.9h, when debugging is enabled, might allow remote attackers to inject arbitrary web script or HTML via the (1) main_page parameter or (2) PATH_INFO, a different vulnerability than CVE-2011-4567.
CVE-2011-4548 (severity: HIGH, weakness: NVD-CWE-Other)
Multiple unspecified vulnerabilities in Google Chrome before 16.0.912.44 on the Acer AC700, Samsung Series 5, and Cr-48 Chromebook platforms have unknown impact and attack vectors.
CVE-2011-4551 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in tiki-cookie-jar.php in TikiWiki CMS/Groupware before 8.2 and LTS before 6.5 allows remote attackers to inject arbitrary web script or HTML via arbitrary parameters.
CVE-2011-4552 (severity: MEDIUM, weakness: CWE-79)
Multiple cross-site scripting (XSS) vulnerabilities in One Click Orgs before 1.2.3 allow remote attackers to inject arbitrary web script or HTML via the description field of (1) a new vote or (2) the eject member proposal feature.
CVE-2011-4553 (severity: MEDIUM, weakness: CWE-20)
Multiple open redirect vulnerabilities in One Click Orgs before 1.2.3 allow (1) remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the return_to parameter, and allow (2) remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via crafted characters in the domain name of a subdomain.
CVE-2011-4554 (severity: MEDIUM, weakness: CWE-20)
One Click Orgs before 1.2.3 allows remote authenticated users to trigger crafted SMTP traffic via (1) " (double quote) and newline characters in an org name or (2) " (double quote) characters in an e-mail address, related to a "2nd Order SMTP Injection" issue.
CVE-2011-4555 (severity: MEDIUM, weakness: CWE-255)
One Click Orgs before 1.2.3 does not require unique e-mail addresses for user accounts, which allows remote authenticated users to cause a denial of service (login disruption) or spoof votes or comments by selecting a conflicting e-mail address.
CVE-2011-4558 (severity: HIGH, weakness: CWE-74)
Tiki 8.2 and earlier allows remote administrators to execute arbitrary PHP code via crafted input to the regexres and regex parameters.
CVE-2011-4559 (severity: HIGH, weakness: CWE-89)
SQL injection vulnerability in the Calendar module in vTiger CRM 5.2.1 and earlier allows remote attackers to execute arbitrary SQL commands via the onlyforuser parameter in an index action to index.php.
CVE-2011-4560 (severity: LOW, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in the Petition Node module 6.x-1.x before 6.x-1.5 for Drupal allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors related to signing a petition.
CVE-2011-4561 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in admin.php in Phorum 5.2.18 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin/index.php. NOTE: some of these details are obtained from third party information.
CVE-2011-4562 (severity: MEDIUM, weakness: CWE-79)
Multiple cross-site scripting (XSS) vulnerabilities in (1) view/admin/log_item.php and (2) view/admin/log_item_details.php in the Redirection plugin 2.2.9 for WordPress allow remote attackers to inject arbitrary web script or HTML via the Referer HTTP header in a request to a post that does not exist.
CVE-2011-4563 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in index.php in JAKCMS 2.0.4.1, and possibly other versions before 2.2.6 2011-09-23, allows remote attackers to inject arbitrary web script or HTML via the userpost parameter in a PM request, related to tinymce. NOTE: some of these details are obtained from third party information.
CVE-2011-4564 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in the admin script in Active CMS 1.2 allows remote attackers to inject arbitrary web script or HTML via the mod parameter in a module action.
CVE-2011-4565 (severity: MEDIUM, weakness: CWE-79)
Multiple cross-site scripting (XSS) vulnerabilities in XOOPS 2.5.1.a, and possibly earlier versions, allow remote attackers to inject arbitrary web script or HTML via the (1) text parameter to include/formdhtmltextarea_preview.php or (2) img BBCODE tag within the message parameter to pmlite.php (aka Private Message). NOTE: some of these details are obtained from third party information.
CVE-2011-4566 (severity: MEDIUM, weakness: CWE-189)
Integer overflow in the exif_process_IFD_TAG function in exif.c in the exif extension in PHP 5.4.0beta2 on 32-bit platforms allows remote attackers to read the contents of arbitrary memory locations or cause a denial of service via a crafted offset_val value in an EXIF header in a JPEG file, a different vulnerability than CVE-2011-0708.
CVE-2011-4567 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in includes/templates/template_default/templates/tpl_gv_send_default.php in Zen Cart before 1.5 allows remote attackers to inject arbitrary web script or HTML via the message parameter in a gv_send action to index.php, a different vulnerability than CVE-2011-4547.
CVE-2011-4568 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in view/frontend-head.php in the Flowplayer plugin before 1.2.12 for WordPress allows remote attackers to inject arbitrary web script or HTML via the URI.
CVE-2011-4569 (severity: HIGH, weakness: CWE-89)
SQL injection vulnerability in userbarsettings.php in the Userbar plugin 2.2 for MyBB Forum allows remote attackers to execute arbitrary SQL commands via the image2 parameter.
CVE-2011-4570 (severity: HIGH, weakness: CWE-89)
SQL injection vulnerability in the Time Returns (com_timereturns) component 2.0 and possibly earlier versions for Joomla! allows remote attackers to execute arbitrary SQL commands via the id parameter in a timereturns action to index.php.
CVE-2011-4571 (severity: HIGH, weakness: CWE-89)
SQL injection vulnerability in the Estate Agent (com_estateagent) component for Joomla! allows remote attackers to execute arbitrary SQL commands via the id parameter in a showEO action to index.php.
CVE-2011-4572 (severity: MEDIUM, weakness: CWE-79)
Cross-site scripting (XSS) vulnerability in inc/tesmodrewite.php in CF Image Hosting Script 1.3.82, 1.4.1, and probably other versions before 1.4.2 allows remote attackers to inject arbitrary web script or HTML via the q parameter. NOTE: this was originally reported as a file disclosure vulnerability, but this is likely inaccurate.
CVE-2011-4573 (severity: LOW, weakness: CWE-264)
Red Hat JBoss Operations Network (JON) before 2.4.2 does not properly enforce "modify resource" permissions for remote authenticated users when deleting a plug-in configuration update from the group connection properties history, which prevents such activities from being recorded in the audit trail.
CVE-2011-4574 (severity: CRITICAL, weakness: CWE-338)
PolarSSL versions prior to v1.1 use the HAVEGE random number generation algorithm. At its heart, this uses timing information based on the processor's high resolution timer (the RDTSC instruction). This instruction can be virtualized, and some virtual machine hosts have chosen to disable this instruction, returning 0s or predictable results.
CVE-2011-4575 (severity: MEDIUM, weakness: CWE-20)
Cross-site scripting (XSS) vulnerability in the JMX console in JBoss Enterprise Application Platform (EAP) before 5.2.0, Web Platform (EWP) before 5.2.0, BRMS Platform before 5.3.1, and SOA Platform before 5.3.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
CVE-2011-4576 (severity: MEDIUM, weakness: CWE-310)
The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer.
CVE-2011-4577 (severity: MEDIUM, weakness: CWE-399)
OpenSSL before 0.9.8s and 1.x before 1.0.0f, when RFC 3779 support is enabled, allows remote attackers to cause a denial of service (assertion failure) via an X.509 certificate containing certificate-extension data associated with (1) IP address blocks or (2) Autonomous System (AS) identifiers.
CVE-2011-4578 (severity: MEDIUM, weakness: CWE-264)
event.c in acpid (aka acpid2) before 2.0.11 does not have an appropriate umask setting during execution of event-handler scripts, which might allow local users to (1) perform write operations within directories created by a script, or (2) read files created by a script, via standard filesystem system calls.
CVE-2011-4579 (severity: MEDIUM, weakness: CWE-119)
The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."
CVE-2011-4580 (severity: MEDIUM, weakness: CWE-79)
Multiple cross-site scripting (XSS) vulnerabilities in Red Hat JBoss Enterprise Portal Platform before 5.2.0 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.
CVE-2011-4581 (severity: MEDIUM, weakness: CWE-200)
mod/wiki/pagelib.php in Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3 allows remote authenticated users to discover the username of a wiki creator by visiting the history and deletion user interface.
CVE-2011-4582 (severity: MEDIUM, weakness: CWE-20)
Open redirect vulnerability in the Calendar set page in Moodle 2.1.x before 2.1.3 allows remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via a redirection URL.
CVE-2011-4583 (severity: MEDIUM, weakness: CWE-264)
Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3 displays web service tokens associated with (1) disabled services and (2) users who no longer have authorization, which allows remote authenticated users to have an unspecified impact by reading these tokens.
CVE-2011-4584 (severity: MEDIUM, weakness: CWE-264)
The MNET authentication functionality in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote authenticated users to impersonate other user accounts by using the Login As feature in conjunction with a remote MNET single sign-on capability, as demonstrated by a Mahara site.
CVE-2011-4585 (severity: MEDIUM, weakness: CWE-16)
login/change_password.php in Moodle 1.9.x before 1.9.15 does not use https for the change-password form even if the httpslogin option is enabled, which allows remote attackers to obtain credentials by sniffing the network.
CVE-2011-4586 (severity: MEDIUM, weakness: NVD-CWE-Other)
CRLF injection vulnerability in calendar/set.php in the Calendar subsystem in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.