Main Vulnerability Database Vulnerabilities #VU77086

Input validation error in Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition - CVE-2023-20116

Published: June 8, 2023

Vulnerability identifier: #VU77086

CSH Severity: Medium

CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H]

CVE-ID: CVE-2023-20116

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the Administrative XML Web Service (AXL) API of the Self Care Portal. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Affected software

Cisco Unified Communications Manager
Cisco Unified Communications Manager Session Management Edition

How to mitigate CVE-2023-20116

Install updates from vendor's website.

Cisco Unified Communications Manager - addressed in versions 12.5(1)SU8, 14SU3
Cisco Unified Communications Manager Session Management Edition - addressed in versions 12.5(1)SU8, 14SU3

External References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-dos-4Ag3yWbD

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