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CVE-2022-20800

22
FAUCET Score

CVE-2022-20800 describes a cross-site scripting (XSS) vulnerability in the web-based management interfaces of Cisco Unified Communications Manager, Unified CM SME, Unified CM IM&P, and Unity Connection. This medium-severity vulnerability (CVSS 6.1) allows an unauthenticated, remote attacker to execute arbitrary script code or access sensitive browser-based information by tricking a user into clicking a crafted link. While the attack complexity is low, it requires user interaction. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 11.5\(1\), < 14su2CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
>= 11.5\(1\), < 14su2CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:*
>= 11.5\(1\), < 12.5\(1\)su5CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager_im_and_presence_service:*:*:*:*:*:*:*:*
>= 11.5\(1\), < 14su2CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.72%
Probability of exploitation in next 30 days
EPSS Percentile
50.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0072 is in the 56th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-xss-RgH7MpKA
Vendor Advisory