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CVE-2024-20488

18
FAUCET Score

CVE-2024-20488 is a medium-severity cross-site scripting (XSS) vulnerability affecting the web-based management interface of Cisco Unified Communications Manager and Unified CM SME. An unauthenticated, remote attacker could exploit this by tricking a user into clicking a crafted link, leading to arbitrary script execution or access to sensitive browser information. The attack complexity is low, but user interaction is required. There is currently no public exploit code, evidence of active exploitation, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
12.5\(1\)CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:12.5\(1\):*:*:*:*:*:*:*
12.5\(1\)su1CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:12.5\(1\)su1:*:*:*:*:*:*:*
12.5\(1\)su2CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:12.5\(1\)su2:*:*:*:*:*:*:*
12.5\(1\)su3CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:12.5\(1\)su3:*:*:*:*:*:*:*
12.5\(1\)su4CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:12.5\(1\)su4:*:*:*:*:*:*:*

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
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 28th 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

sec.cloudapps.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-xss-9zmfHyZ
Vendor Advisory