How severe is CVE-2025-28131?

CVE-2025-28131 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2025-28131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-28131?

CVE-2025-28131 affects Nagios Network Analyzer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-28131?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-28131 have an EU (EUVD) identifier?

Yes. CVE-2025-28131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9331.

When was CVE-2025-28131 published?

CVE-2025-28131 was published on 2025-04-01 and last updated on 2026-06-17.

CVE-2025-28131

CVE-2025-28131 is a medium-severity vulnerability in Nagios Network Analyzer with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-285.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9331
Weakness: CWE-285
Affected product: Nagios Network Analyzer
Published: 2025-04-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-28131?: CVE-2025-28131 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2025-28131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-28131?: CVE-2025-28131 affects Nagios Network Analyzer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-28131?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-28131 have an EU (EUVD) identifier?: Yes. CVE-2025-28131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9331.
When was CVE-2025-28131 published?: CVE-2025-28131 was published on 2025-04-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nagios:network_analyzer:2024:r1.0.3:*:*:*:*:*:*

More vulnerabilities in Nagios Network Analyzer

CVE-2021-28925 — Critical (CVSS 9.8): SQL injection vulnerability in Nagios Network Analyzer before 2.4.3 via the o[col] parameter to api/checks/read/.
CVE-2025-28059 — High (CVSS 7.5): An access control vulnerability in Nagios Network Analyzer 2024R1.0.3 allows deleted users to retain access to system…
CVE-2025-34280 — High (CVSS 7.2): Nagios Network Analyzer versions prior to 2024R2.0.1 contain a vulnerability in the LDAP certificate management…
CVE-2021-28924 — Medium (CVSS 6.1): Self Authenticated XSS in Nagios Network Analyzer before 2.4.2 via the nagiosna/groups/queries page.
CVE-2025-34278 — Medium (CVSS 5.4): Nagios Network Analyzer versions prior to 2024R1 contain a stored cross-site scripting (XSS) vulnerability in the…
CVE-2023-7319 — Medium (CVSS 5.4): Nagios Network Analyzer versions prior to 2024R1 are vulnerable to cross-site scripting (XSS) via the Percentile…

All CVEs affecting Nagios Network Analyzer →

Other CWE-285 (Improper Authorization) vulnerabilities

CVE-2025-65041 — Critical (CVSS 10.0): Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
CVE-2023-33189 — Critical (CVSS 10.0): Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization…
CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
CVE-2021-28799 — Critical (CVSS 10.0): An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If…
CVE-2026-34048 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-5412 — Critical (CVSS 9.9): In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated…

Browse all CWE-285 (Improper Authorization) vulnerabilities →