What is CVE-2025-28059?

CVE-2025-28059 is a high-severity vulnerability in Nagios Network Analyzer, classified under Insufficient Session Expiration. CVSS score: 7.5/10. Published 2025-04-18.

How severe is CVE-2025-28059?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-28059 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Nagios Network Analyzer

CVE-2025-28059

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.

EPSS: 0.008 (52.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Nagios Network_analyzer — versions 2024
N/a — versions n/a

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

cve@mitre.org (Third Party Advisory)
cve@mitre.org (Release Notes)

Frequently asked questions

What is CVE-2025-28059?: CVE-2025-28059 is a high-severity vulnerability in Nagios Network Analyzer, classified under Insufficient Session Expiration. CVSS score: 7.5/10. Published 2025-04-18.
How severe is CVE-2025-28059?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-28059 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.