Vulnerability in Nagios Log Server
CVE-2025-34298
Nagios Log Server versions prior to 2024R1.3.2 contain a privilege escalation vulnerability in the account email-change workflow. A user could set their own email to an invalid value and, due to insufficient validation and authorization checks tied to email identity state, trigger inconsistent account state that granted elevated privileges or bypassed intended access controls.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (49.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Nagios Log Server — versions 0
- Nagios Log Server — versions 2024
Weakness classification (CWE)
References
- www.nagios.com/changelog/nagios-log-server-2024r1/ (release-notes, Release Notes, patch)
- www.vulncheck.com/advisories/nagios-log-server-set-email-privilege-escalation (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-34298?
- CVE-2025-34298 is a high-severity vulnerability in Nagios Log Server, classified under Improper Preservation of Permissions. CVSS score: 8.8/10. Published 2025-10-30.
- How severe is CVE-2025-34298?
- High severity. CVSS v3 base score is 8.8 out of 10.