CVE-2022-20853 is a Cross-Site Request Forgery (CSRF) vulnerability in the REST API of Cisco Expressway Series and Cisco TelePresence VCS. An unauthenticated, remote attacker can exploit this by tricking a user into clicking a malicious link, leading to the affected system reloading. This vulnerability has a CVSS score of 7.4 (High), indicating a network-based attack with low complexity, requiring user interaction, and resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code, or inclusion in the CISA KEV catalog, though it has received some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
x8.1CPE matchmatch criteria | cpe:2.3:a:cisco:telepresence_video_communication_server:x8.1:*:*:*:expressway:*:*:* | ||
x8.1.1CPE matchmatch criteria | cpe:2.3:a:cisco:telepresence_video_communication_server:x8.1.1:*:*:*:expressway:*:*:* | ||
x8.1.2CPE matchmatch criteria | cpe:2.3:a:cisco:telepresence_video_communication_server:x8.1.2:*:*:*:expressway:*:*:* | ||
x8.2CPE matchmatch criteria | cpe:2.3:a:cisco:telepresence_video_communication_server:x8.2:*:*:*:expressway:*:*:* | ||
x8.2.1CPE matchmatch criteria | cpe:2.3:a:cisco:telepresence_video_communication_server:x8.2.1:*:*:*:expressway:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.