What is CVE-2025-28131?

CVE-2025-28131 is a medium-severity vulnerability in Nagios Network Analyzer, classified under Improper Authorization. CVSS score: 4.6/10. Published 2025-04-01.

How severe is CVE-2025-28131?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Is CVE-2025-28131 known to be exploited?

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

Auth bypass in Nagios Network Analyzer

CVE-2025-28131

A Broken Access Control vulnerability in Nagios Network Analyzer 2024R1.0.3 allows low-privilege users with "Read-Only" access to perform administrative actions, including stopping system services and deleting critical resources. This flaw arises due to improper authorization enforcement, enabling unauthorized modifications that compromise system integrity and availability.

EPSS: 0.004 (31.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

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

Weakness classification (CWE)

CWE-285 — Improper Authorization

Public proof-of-concept exploits

harshal79/Privilege-Escalation-in-Nagios-Network-Analyzer

References

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

Frequently asked questions

What is CVE-2025-28131?: CVE-2025-28131 is a medium-severity vulnerability in Nagios Network Analyzer, classified under Improper Authorization. CVSS score: 4.6/10. Published 2025-04-01.
How severe is CVE-2025-28131?: Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2025-28131 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.