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Vulnerability record · CVE-2025-34270 · published 30 October 2025

CVE-2025-34270: Nagios log server cleartext storage of sensitive data vulnerability

Nagios · Log Server

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.

6.9 CVSS 4.0 Medium EPSS 0.63% · top 51.8% CWE-312 · Cleartext storage of sensitive dataCWE-522 · Insufficiently protected credentials
6.9CVSS 4.0 base score
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.nagios.com/kb/article/authenticating-and-importing-users-with-ad-and-ldap-995.html Not Applicable
https://www.nagios.com/changelog/#log-server Release Notes
https://www.nagios.com/products/security/#log-server-2024R2 Vendor Advisory
https://www.vulncheck.com/advisories/nagios-log-server-ad-ldap-import-password-not-obfuscated Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-34270), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.