Vulnerability Description
A vulnerability in the Cisco Discovery Protocol of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, adjacent attacker to cause a kernel panic on an affected system, resulting in a denial of service (DoS) condition. This vulnerability is due to incorrect processing of certain Cisco Discovery Protocol packets. An attacker could exploit this vulnerability by continuously sending certain Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause a kernel panic on the system that is running the affected software, resulting in a DoS condition.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Unified Communications Manager | <= 14.0 |
Related Weaknesses (CWE)
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uVendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uVendor Advisory
FAQ
What is CVE-2022-20804?
CVE-2022-20804 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A vulnerability in the Cisco Discovery Protocol of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an...
How severe is CVE-2022-20804?
CVE-2022-20804 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-20804?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Unified Communications Manager.