How severe is CVE-2025-61972?

CVE-2025-61972 has a CVSS 4.0 base score of 8.5, rated high severity.

Is CVE-2025-61972 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-2025-61972?

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-2025-61972 have an EU (EUVD) identifier?

Yes. CVE-2025-61972 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209812.

When was CVE-2025-61972 published?

CVE-2025-61972 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2025-61972

CVE-2025-61972 is a high-severity vulnerability with a CVSS 4.0 base score of 8.5. 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-1233.

Key facts

Severity: High (CVSS 4.0 base score 8.5)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209812
Weakness: CWE-1233
Published: 2026-05-13
Last modified: 2026-06-17

Description

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network (SMN) access, potentially resulting in arbitrary code execution in AMD Secure Processor (ASP) and loss of the SEV-SNP guest's confidentiality and integrity.

Frequently asked questions

What is CVE-2025-61972?: Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network (SMN) access, potentially resulting in arbitrary code execution in AMD Secure Processor (ASP) and loss of the SEV-SNP guest's confidentiality and integrity.
How severe is CVE-2025-61972?: CVE-2025-61972 has a CVSS 4.0 base score of 8.5, rated high severity.
Is CVE-2025-61972 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-2025-61972?: 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-2025-61972 have an EU (EUVD) identifier?: Yes. CVE-2025-61972 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209812.
When was CVE-2025-61972 published?: CVE-2025-61972 was published on 2026-05-13 and last updated on 2026-06-17.

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html

Other CWE-1233 vulnerabilities

CVE-2025-61971 — Medium (CVSS 5.9): Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing…
CVE-2025-25735 — Medium (CVSS 4.6): Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs) v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 were…
CVE-2025-25733 — Low (CVSS 3.5): Incorrect access control in the SPI Flash Chip of Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs)…

Browse all CWE-1233 vulnerabilities →