Auth bypass in Nagios Log Server
CVE-2025-44824
Nagios Log Server before 2024R1.3.2 allows authenticated users (with read-only API access) to stop the Elasticsearch service via a /nagioslogserver/index.php/api/system/stop?subsystem=elasticsearch call. The service stops even though "message": "Could not stop elasticsearch" is in the API response. This is GL:NLS#474.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H.
EPSS exploit prediction
EPSS: 0.028 (85.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.028 · change: +0.001
Affected products
- Nagios Log Server — versions 0
- Nagios Log Server — versions 2024
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.nagios.com/changelog/ (Release Notes)
- github.com/skraft9/nagios-log-server-dos (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-44824?
- CVE-2025-44824 is a high-severity vulnerability in Nagios Log Server, classified under Incorrect Authorization. CVSS score: 8.5/10. Published 2025-10-07.
- How severe is CVE-2025-44824?
- High severity. CVSS v3 base score is 8.5 out of 10.
- Is CVE-2025-44824 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.