How severe is CVE-2025-34280?

CVE-2025-34280 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-34280 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-34280?

CVE-2025-34280 primarily affects Nagios Network Analyzer. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-34280?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-34280 have an EU (EUVD) identifier?

Yes. CVE-2025-34280 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37216.

When was CVE-2025-34280 published?

CVE-2025-34280 was published on 2025-10-30 and last updated on 2026-06-17.

CVE-2025-34280

CVE-2025-34280 is a high-severity vulnerability in Nagios Network Analyzer with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 8.6
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37216
Weakness: CWE-78
Affected product: Nagios Network Analyzer
Published: 2025-10-30
Last modified: 2026-06-17

Description

Nagios Network Analyzer versions prior to 2024R2.0.1 contain a vulnerability in the LDAP certificate management functionality whereby the certificate removal operation fails to apply adequate input sanitation. An authenticated administrator can trigger command execution on the underlying host in the context of the web application service, resulting in remote code execution with the service's privileges.

Frequently asked questions

What is CVE-2025-34280?: Nagios Network Analyzer versions prior to 2024R2.0.1 contain a vulnerability in the LDAP certificate management functionality whereby the certificate removal operation fails to apply adequate input sanitation. An authenticated administrator can trigger command execution on the underlying host in the context of the web application service, resulting in remote code execution with the service's privileges.
How severe is CVE-2025-34280?: CVE-2025-34280 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-34280 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-34280?: CVE-2025-34280 primarily affects Nagios Network Analyzer. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-34280?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-34280 have an EU (EUVD) identifier?: Yes. CVE-2025-34280 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37216.
When was CVE-2025-34280 published?: CVE-2025-34280 was published on 2025-10-30 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:nagios:network_analyzer:*:*:*:*:*:*:*:*
cpe:2.3:a:nagios:network_analyzer:2024:r1.0.1:*:*:*:*:*:*
cpe:2.3:a:nagios:network_analyzer:2024:r1.0.2:*:*:*:*:*:*
cpe:2.3:a:nagios:network_analyzer:2024:r1.0.3:*:*:*:*:*:*
cpe:2.3:a:nagios:network_analyzer:2024:r2:*:*:*:*:*:*

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