How severe is CVE-2025-23256?

CVE-2025-23256 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2025-23256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-23256?

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-2025-23256 have an EU (EUVD) identifier?

Yes. CVE-2025-23256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26735.

When was CVE-2025-23256 published?

CVE-2025-23256 was published on 2025-09-04 and last updated on 2026-06-17.

CVE-2025-23256

CVE-2025-23256 is a high-severity vulnerability with a CVSS 3.x base score of 8.7. 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: High (CVSS 3.x base score 8.7)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26735
Weakness: CWE-863
Published: 2025-09-04
Last modified: 2026-06-17

Description

NVIDIA BlueField contains a vulnerability in the management interface, where an attacker with local access could cause incorrect authorization to modify the configuration. A successful exploit of this vulnerability might lead to denial of service, escalation of privileges, information disclosure, and data tampering.

Frequently asked questions

What is CVE-2025-23256?: NVIDIA BlueField contains a vulnerability in the management interface, where an attacker with local access could cause incorrect authorization to modify the configuration. A successful exploit of this vulnerability might lead to denial of service, escalation of privileges, information disclosure, and data tampering.
How severe is CVE-2025-23256?: CVE-2025-23256 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2025-23256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-23256?: 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-2025-23256 have an EU (EUVD) identifier?: Yes. CVE-2025-23256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26735.
When was CVE-2025-23256 published?: CVE-2025-23256 was published on 2025-09-04 and last updated on 2026-06-17.

References

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.

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