QID 317120

Date Published: 2021-12-21

QID 317120: Cisco Unified Communications Manager (CUCM) Apache Log4j Vulnerability (cisco-sa-apache-log4j-qRuKNEbd)

This bug has been filed to evaluate the product against the vulnerability in the Apache Log4j Java library disclosed on December 9th, 2021.

Cisco has reviewed this product and concluded that it contains a vulnerable version of Apache Log4j and is affected by the following vulnerability:

Affected Products:
Cisco Unified Communications Manager(CUCM) and CUCM SME following versions:
11.5(1)SU7
11.5(1)SU8
11.5(1)SU9
11.5(1)SU10
All ES builds from 11.5(1.18119-2) through 11.5(1.23162-1)
Note: All version that are "End of Support" are not evaluated

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

Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints

  • CVSS V3 rated as Critical - 10 severity.
  • CVSS V2 rated as Critical - 9.3 severity.
    • Solution

    Customers are advised to refer to cisco-sa-apache-log4j-qRuKNEbd for more information.Workaround:
    The following COP file has been published to address the log4j vulnerability (CVE-2021-44228) to be applied through CLI only: ciscocm.V11.5_log4j_CVE-2021-44228_C0156-3.k4.cop.sha512

    Vendor References

    CVEs related to QID 317120

    CVE-2021-44228 | CVE-2021-45105 | CVE-2021-45046 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-apache-log4j-qRuKNEbd URL Logo tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd
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