CVE-2025-34270

Name: CVE-2025-34270
Creator: NVD / NIST
Published: 2025-10-30T22:15:47.533+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.9/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2025-34270 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. 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. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.9/10

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

CVSS 4.0

6.9/10

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:X/V:X/RE:X/U:X

EPSS Probability

0.52%

40.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Nagios	Log Server	< 2024	—
Nagios	Log Server	2024	R1

References

https://support.nagios.com/kb/article/authenticating-and-importing-users-with-ad-and-ldap-995.htmlNot Applicable
https://www.nagios.com/changelog/#log-serverRelease Notes
https://www.nagios.com/products/security/#log-server-2024R2Vendor Advisory
https://www.vulncheck.com/advisories/nagios-log-server-ad-ldap-import-password-not-obfuscatedThird Party Advisory

Timeline

Published: Oct 30, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-34270?

How severe is CVE-2025-34270?

CVE-2025-34270 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2025-34270?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-34270?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST