Vulnerability in Nagios Log Server
CVE-2025-34270
Nagios Log Server versions prior to 2024R2.0.2 contain a vulnerability in the AD/LDAP user import functionality as it fails to obfuscate the password field during import. As a result, the plaintext password supplied for imported accounts may be exposed in the user interface, logs, or other diagnostic output. This can leak sensitive credentials to administrators or anyone with access to import results.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Nagios Log Server — versions 0
- Nagios Log Server — versions 2024
Weakness classification (CWE)
References
- www.nagios.com/products/security/ (vendor-advisory, patch, Vendor Advisory)
- www.nagios.com/changelog/ (release-notes, Release Notes, patch)
- support.nagios.com/kb/article/authenticating-and-importing-users-with-ad-and-ld… (product, Not Applicable)
- www.vulncheck.com/advisories/nagios-log-server-ad-ldap-import-password-not-obfu… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-34270?
- CVE-2025-34270 is a medium-severity vulnerability in Nagios Log Server, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.9/10. Published 2025-10-30.
- How severe is CVE-2025-34270?
- Medium severity. CVSS v3 base score is 4.9 out of 10.