SARA / Free Tools / CVE / CVE-2023-20266

CVE-2023-20266 — A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manag

A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to roo

CVSS
6.5 MEDIUM
EPSS
0.06% (top 82.20%)
CWE
CWE-347
Published
2023-08-30T16:18:42.528Z
Last modified
2025-07-01T13:45:58.935Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

01What is this vulnerability?

A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device. This vulnerability exists because the application does not properly restrict the files that…

02Affected products

VendorProductVersions
CiscoCisco Emergency Responder12.5(1)SU4, 12.5(1)SU8a, 14SU3
CiscoCisco Unity Connection12.5(1)SU6, 12.5(1)SU7, 12.5(1)SU8, 14SU2, 14SU3
CiscoCisco Unified Communications Manager12.5(1)SU8

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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