CVE-2023-20108 is a denial-of-service vulnerability affecting the XCP Authentication Service in Cisco Unified Communications Manager IM & Presence Service. An unauthenticated, remote attacker can exploit this by sending a crafted login message, leading to an unexpected restart of the authentication service and preventing new user authentications. Rated with a CVSS score of 7.5 (High), this vulnerability requires no user interaction and has a high impact on availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.5\(1\)CPE matchmatch criteria | cpe:2.3:a:cisco:unified_communications_manager_im_and_presence_service:12.5\(1\):*:*:*:*:*:*:* | ||
14suCPE matchmatch criteria | cpe:2.3:a:cisco:unified_communications_manager_im_and_presence_service:14su:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.