CVE-2025-20242: cisco cisco unified contact center enterprise Improper Access Control
Vulnerability summary
CVE-2025-20242 is a critical (CVSS 9.1) Improper Access Control vulnerability in cisco cisco unified contact center enterprise. EPSS estimates a 5.90% chance of exploitation in the next 30 days, higher than 93.1% of scored vulnerabilities.
Timeline
- 21-05-2025PublishedVulnerability first disclosed.
- 21-05-2025Last modifiedVulnerability information updated.
Description
A vulnerability in the Cloud Connect component of Cisco Unified Contact Center Enterprise (CCE) could allow an unauthenticated, remote attacker to read and modify data on an affected device. This vulnerability is due to a lack of proper authentication controls. An attacker could exploit this vulnerability by sending crafted TCP data to a specific port on an affected device. A successful exploit could allow the attacker to read or modify data on the affected device.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NDiffers
EPSS trend
Probability
5.90%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
+0.24 pp
From 5.66% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
1 vendor · 2 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory