Is CVE-2025-34277 in the CISA KEV catalog?

No. CVE-2025-34277 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-34277?

CVE-2025-34277 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2025-34277?

CVE-2025-34277 has an EPSS score of 1.80% (76th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-34277

CRITICALEPSS 76th pctl

9.8

CVSS v3

NVD

Description

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.

CWE-94Code Injection

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.80%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-06.