# MA-1042.032024: MyCERT Advisory - Cisco Releases Security Updates for Secure Client

**Date:** 13 Mar 2024  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-1042.032024  
**Advisory ID:** MA-1042.032024

---

**1.0 Introduction**
Recently, Cisco released a security advisory to address a vulnerability in Cisco Secure Client (CVE-2024-20337) and Secure Client for Linux (CVE-2024-20338).
**2.0 Impact**
A cyber threat actor could exploit this vulnerability to take control of an affected device.
**3.0 Affected Products**
The affected products are Cisco Secure Client and Cisco Secure Client for Linux :
**3.1 Cisco Secure Client**
- Secure Client for Linux.
- Secure Client for macOS.
- Secure Client for Windows.
**3.2 Cisco Secure Client for Linux**
- Cisco Secure Client Linux have the ISE Posture.
**4.0 Recommendations**
CyberSecurity Malaysia encourages users and administrators to review the [Cisco Secure Client Return Line Feed Injection Vulnerability](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-client-crlf-W43V4G7) and [Cisco Secure Client for Linux with ISE Posture Module Privilege Escalation Vulnerability](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-privesc-sYxQO6ds) advisory and apply the necessary updates.
Kindly refer to the following URL: 
[Cisco Secure Client Return Line Feed Injection Vulnerability](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-client-crlf-W43V4G7): <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-client-crlf-W43V4G7>
[Cisco Secure Client for Linux with ISE Posture Module Privilege Escalation Vulnerability](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-privesc-sYxQO6ds): <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-privesc-sYxQO6ds>
Generally, we advise users of these devices to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.
For further enquiries, please contact us through the following channels:
E-mail: cyber999[at]cybersecurity.my 
Phone: 1-300-88-2999 (monitored during business hours) 
Mobile: +60 19 2665850 (24x7 call incident reporting) 
Business Hours: Mon - Fri 09:00 -18:00 MYT 
Web: [https://www.mycert.org.my](https://www.mycert.org.my/) 
Twitter: <https://twitter.com/mycert> 
Facebook: <https://www.facebook.com/mycert.org.my>
**5.0    References**
- <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-privesc-sYxQO6ds>
- <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-client-crlf-W43V4G7>
- <https://www.cisa.gov/news-events/alerts/2024/03/07/cisco-releases-security-updates-secure-client>