SARA / Free Tools / CVE / CVE-2023-20259

CVE-2023-20259 — A vulnerability in an API endpoint of multiple Cisco Unified Communications Prod

A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilization, which could impact access to the web-based management interface and cause delays with call processing. This API is n

CVSS
8.6 HIGH
EPSS
0.14% (top 65.90%)
CWE
CWE-400
Published
2023-10-04T16:13:30.662Z
Last modified
2024-08-02T09:05:36.904Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

01What is this vulnerability?

A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilization, which could impact access to the web-based management interface and cause delays with call processing. This API is not used for device management and is unlikely to be used in normal operations of the device. This vulnerability is due…

02Affected products

VendorProductVersions
CiscoCisco Emergency Responder12.5(1)SU7, 14, 14SU3
CiscoCisco Unity Connection14SU3
CiscoCisco Unified Communications Manager12.5(1)SU7, 12.5(1)SU7a, 14SU3
CiscoCisco Unified Communications Manager IM and Presence Service12.5(1)SU7, 14SU3
CiscoCisco Prime Collaboration Deployment14SU3

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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