CVE-2025-34270: log server Credential Exposure — Fix

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.

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CVSS v3.1 Score

4.9

MEDIUM

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

Weakness Type (CWE)

CWE-312 CWE-312

CWE-522 CWE-522

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
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

Advisories & Patches

https://www.nagios.com/products/security/#log-server-2024R2

Other References

https://support.nagios.com/kb/article/authenticating-and-importing-users-with-ad-and-ldap-995.html https://www.nagios.com/changelog/#log-server https://www.vulncheck.com/advisories/nagios-log-server-ad-ldap-import-password-not-obfuscated

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2025-34270? +

CVE-2025-34270 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-34270? +

CVE-2025-34270 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-2025-34270? +

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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