Improper access control in Cisco IOS and Cisco IOS XE - CVE-2024-20373
Published: April 18, 2024
Vulnerability identifier: #VU88807
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-20373
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in the implementation of the Simple Network Management Protocol (SNMP) IPv4 access control list (ACL) feature. A remote attacker can bypass implemented security restrictions and perform SNMP operations that should be denied.
Affected software
Cisco IOS
Cisco IOS XE
Cisco IOS XE
How to mitigate CVE-2024-20373
Install updates from vendor's website.
Cisco IOS - addressed in versions 17.6.6, 17.6.6a, 17.9.4, 17.9.5, 17.9.5a, 17.11.1, 17.11.1a, 17.12.1, 17.12.1w, 17.12.1x, 17.12.1a, 17.12.2, 17.12.2a, 17.12.3, 17.13.1, 17.13.1a
Cisco IOS XE - addressed in versions Bengaluru-17.6.6, Dublin-17.11.1, Cupertino-17.9.4, 17.6.6a, 17.9.5, 17.9.5a, 17.11.1, 17.11.1a, 17.12.1, 17.12.1w, 17.12.1x, 17.12.1a, 17.12.2, 17.12.2a, 17.12.02a, 17.12.3, 17.13.1, 17.13.1a
Cisco IOS XE - addressed in versions Bengaluru-17.6.6, Dublin-17.11.1, Cupertino-17.9.4, 17.6.6a, 17.9.5, 17.9.5a, 17.11.1, 17.11.1a, 17.12.1, 17.12.1w, 17.12.1x, 17.12.1a, 17.12.2, 17.12.2a, 17.12.02a, 17.12.3, 17.13.1, 17.13.1a