CVE-2025-34277

moderate-risk
Published 2025-10-30

Nagios Log Server versions prior to 2024R1.3.1 contain a code injection vulnerability where malformed dashboard ID values are not properly validated before being forwarded to an internal API. An attacker able to supply crafted dashboard ID values can cause the system to execute attacker-controlled data, leading to arbitrary code execution in the context of the Log Server process.

Do I need to act?

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0.23% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (7)

Affected Vendors

Nagios

References (3)

Release Notes https://www.nagios.com/changelog/#log-server-2024R1
Product https://www.nagios.com/products/security/#log-server
Third Party Advisory https://www.vulncheck.com/advisories/nagios-log-server-rce-via-malformed-dashboa...
47
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 14/34 · Moderate