CVE-2025-44824: log server Auth Bypass — Exploit

Description

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.

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CVSS v3.1 Score

8.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
nagios	log_server	< 2024
nagios	log_server	All
nagios	log_server	All
nagios	log_server	All
nagios	log_server	All
nagios	log_server	All
nagios	log_server	All
nagios	log_server	All

References

Exploits

https://github.com/skraft9/nagios-log-server-dos https://github.com/skraft9/nagios-log-server-dos

Other References

https://www.nagios.com/changelog/#log-server

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 8.5 (HIGH).

How severe is CVE-2025-44824? +

CVE-2025-44824 has a CVSS v3.1 score of 8.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-44824? +

CVE-2025-44824 affects products from nagios, specifically: log_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-44824? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-44824