Improper Check for Unusual or Exceptional Conditions in Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition - CVE-2022-20804

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Main Vulnerability Database Vulnerabilities #VU62473

Improper Check for Unusual or Exceptional Conditions in Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition - CVE-2022-20804

Published: April 21, 2022


Vulnerability identifier: #VU62473
CSH Severity: Low
CVSS v4: 6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20804
CWE-ID: CWE-754
Exploitation vector: Adjecent network
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 incorrect processing of certain Cisco Discovery Protocol packets. A remote attacker on the local network 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-2022-20804

Install updates from vendor's website.

Cisco Unified Communications Manager - update to 14SU1
Cisco Unified Communications Manager Session Management Edition - update to 14SU1

External References

Related Security Bulletins