Improper Check for Unusual or Exceptional Conditions in Cisco Unified Communications Products

1) Improper Check for Unusual or Exceptional Conditions

EUVDB-ID: #VU62473

Risk: Low

CVSSv4.0: [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/E:U/U:Clear]

CVE-ID: CVE-2022-20804

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Unified Communications Manager: 14.0

Cisco Unified Communications Manager Session Management Edition: 14.0

CPE2.3

• cpe:2.3:a:cisco_systems:Unified CM:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:Unified CM:14.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_unified_communications_manager_session_management_edition:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_unified_communications_manager_session_management_edition:14.0:*:*:*:*:*:*:*

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-dos-zHS9X9kD

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.