CVE-2023-20236
Assigner: cisco
Published: 2023-09-13T16:39:19.418Z
State: PUBLISHED
descriptions: value: A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device.
 This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.
affected: vendor: Cisco
product: Cisco IOS XR Software
versions: version: 5.2.0
status: affected
version: 5.2.1
status: affected
version: 5.2.2
status: affected
version: 5.2.4
status: affected
version: 5.2.3
status: affected
version: 5.2.5
status: affected
version: 5.2.47
status: affected
version: 5.3.0
status: affected
version: 5.3.1
status: affected
version: 5.3.2
status: affected
version: 5.3.3
status: affected
version: 5.3.4
status: affected
version: 6.0.0
status: affected
version: 6.0.1
status: affected
version: 6.0.2
status: affected
version: 6.1.1
status: affected
version: 6.1.2
status: affected
version: 6.1.3
status: affected
version: 6.1.4
status: affected
version: 6.1.12
status: affected
version: 6.1.22
status: affected
version: 6.1.32
status: affected
version: 6.1.36
status: affected
version: 6.1.42
status: affected
version: 6.2.1
status: affected
version: 6.2.2
status: affected
version: 6.2.3
status: affected
version: 6.2.25
status: affected
version: 6.2.11
status: affected
version: 6.3.2
status: affected
version: 6.3.3
status: affected
version: 6.3.15
status: affected
version: 6.4.1
status: affected
version: 6.4.2
status: affected
version: 6.4.3
status: affected
version: 6.5.1
status: affected
version: 6.5.2
status: affected
version: 6.5.3
status: affected
version: 6.5.25
status: affected
version: 6.5.26
status: affected
version: 6.5.28
status: affected
version: 6.5.29
status: affected
version: 6.5.32
status: affected
version: 6.5.33
status: affected
version: 6.6.2
status: affected
version: 6.6.3
status: affected
version: 6.6.25
status: affected
version: 6.6.4
status: affected
version: 7.0.1
status: affected
version: 7.0.2
status: affected
version: 7.0.12
status: affected
version: 7.0.14
status: affected
version: 7.1.1
status: affected
version: 7.1.15
status: affected
version: 7.1.2
status: affected
version: 7.1.3
status: affected
version: 6.7.1
status: affected
version: 6.7.2
status: affected
version: 6.7.3
status: affected
version: 6.7.4
status: affected
version: 7.2.0
status: affected
version: 7.2.1
status: affected
version: 7.2.2
status: affected
version: 7.3.1
status: affected
version: 7.3.15
status: affected
version: 7.3.2
status: affected
version: 7.3.3
status: affected
version: 7.3.5
status: affected
version: 7.4.1
status: affected
version: 7.4.2
status: affected
version: 6.8.1
status: affected
version: 6.8.2
status: affected
version: 7.5.1
status: affected
version: 7.5.3
status: affected
version: 7.5.2
status: affected
version: 7.5.4
status: affected
version: 7.6.1
status: affected
version: 7.6.2
status: affected
version: 7.7.1
status: affected
version: 7.7.2
status: affected
version: 7.7.21
status: affected
version: 6.9.1
status: affected
version: 6.9.2
status: affected
version: 7.8.1
status: affected
version: 7.8.2
status: affected
version: 7.9.1
status: affected
version: 7.9.2
status: affected
problemTypes: descriptions: description: Improper Verification of Cryptographic Signature
type: cwe
cweId: CWE-347
metrics: format: cvssV3_1
cvssV3_1: version: 3.1
vectorString: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
baseScore: 6.7
baseSeverity: MEDIUM
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploits: value: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
source: advisory: cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB
discovery: INTERNAL
defects: CSCvz63925
CSCvz63918
CSCwe12502
CSCvz63929
CSCwi31568
CSCwh78724
CSCwi26526
CSCwh70601
CSCwh78727