How severe is CVE-2025-34273?

CVE-2025-34273 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-34273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-34273?

CVE-2025-34273 primarily affects Nagios Log Server. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-34273?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-34273 have an EU (EUVD) identifier?

Yes. CVE-2025-34273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37220.

When was CVE-2025-34273 published?

CVE-2025-34273 was published on 2025-10-30 and last updated on 2026-06-17.

CVE-2025-34273

CVE-2025-34273 is a medium-severity vulnerability in Nagios Log Server with a CVSS 3.x base score of 6.5. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37220
Weakness: CWE-863
Affected product: Nagios Log Server
Published: 2025-10-30
Last modified: 2026-06-17

Description

Nagios Log Server versions prior to 2024R2.0.3 contain an incorrect authorization vulnerability that allows non-administrator users to delete global dashboards. The application did not correctly enforce authorization checks for the global dashboard deletion workflow, enabling lower-privileged users to remove dashboards that affect other users or the overall monitoring UI.

Frequently asked questions

What is CVE-2025-34273?: Nagios Log Server versions prior to 2024R2.0.3 contain an incorrect authorization vulnerability that allows non-administrator users to delete global dashboards. The application did not correctly enforce authorization checks for the global dashboard deletion workflow, enabling lower-privileged users to remove dashboards that affect other users or the overall monitoring UI.
How severe is CVE-2025-34273?: CVE-2025-34273 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-34273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-34273?: CVE-2025-34273 primarily affects Nagios Log Server. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-34273?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-34273 have an EU (EUVD) identifier?: Yes. CVE-2025-34273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37220.
When was CVE-2025-34273 published?: CVE-2025-34273 was published on 2025-10-30 and last updated on 2026-06-17.

References

Affected products (15)

cpe:2.3:a:nagios:log_server:*:*:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1.0.1:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1.0.2:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1.1:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1.2:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1.3:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1.3.1:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1.3.2:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1.3.3:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1.3.4:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r1.3.5:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r2:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r2.0.1:*:*:*:*:*:*
cpe:2.3:a:nagios:log_server:2024:r2.0.2:*:*:*:*:*:*

More vulnerabilities in Nagios Log Server

CVE-2025-44823 — Critical (CVSS 9.9): Nagios Log Server before 2024R1.3.2 allows authenticated users to retrieve cleartext administrative API keys via a…
CVE-2025-34277 — Critical (CVSS 9.8): Nagios Log Server versions prior to 2024R1.3.1 contain a code injection vulnerability where malformed dashboard ID…
CVE-2025-34274 — Critical (CVSS 9.8): Nagios Log Server versions prior to 2024R2.0.3 contain an execution with unnecessary privileges vulnerability as it…
CVE-2025-34271 — Critical (CVSS 9.8): Nagios Log Server versions prior to 2024R2.0.2 contain a vulnerability in the cluster manager component when…
CVE-2025-34298 — High (CVSS 8.8): Nagios Log Server versions prior to 2024R1.3.2 contain a privilege escalation vulnerability in the account email-change…
CVE-2025-44824 — High (CVSS 8.5): Nagios Log Server before 2024R1.3.2 allows authenticated users (with read-only API access) to stop the Elasticsearch…

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Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →