QID 317333

Date Published: 2023-07-17

QID 317333: Cisco Unified Communications Manager IM and Presence Service Denial of Service (DoS) Vulnerability (cisco-sa-cucm-imp-dos-49GL7rzT)

A vulnerability in the XCP Authentication Service of the Cisco Unified Communications Manager IM and Presence Service (Unified CM IM and P) could allow an unauthenticated remote attacker to cause a temporary service outage for all Cisco Unified CM IM and P users who are attempting to authenticate to the service resulting in a denial of service (DoS) condition.

Affected Products:
Cisco Unified CM IM and P Release: From 12.5(1) Prior to 12.5(1)SU7 From 14SU Prior to 14SU3

QID Detection Logic (Authenticated):
The check matches the Cisco Unified Communications Product version retrieved via Unix Auth using " Active Master Version:" command.

A successful exploit could allow the attacker to cause an unexpected restart of the authentication service, preventing new users from successfully authenticating.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5.5 severity.
    • Solution

    Customers are advised to refer to cisco-sa-cucm-imp-dos-49GL7rzT for more information.

    Vendor References

    CVEs related to QID 317333

    CVE-2023-20108 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-cucm-imp-dos-49GL7rzT URL Logo sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-imp-dos-49GL7rzT
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