CVE-2025-28059

moderate-risk
Published 2025-04-18

An access control vulnerability in Nagios Network Analyzer 2024R1.0.3 allows deleted users to retain access to system resources due to improper session invalidation and stale token handling. When an administrator deletes a user account, the backend fails to terminate active sessions and revoke associated API tokens, enabling unauthorized access to restricted functions.

Do I need to act?

~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Nagios

References (2)

Third Party Advisory https://github.com/aakashtyal/Residual-Data-Access-Post-User-Deletion-in-Nagios-...
Release Notes https://www.nagios.com/changelog/#network-analyze
34
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal