CVE-2025-61971
MEDIUM EPSS 1.9%
Published May 13, 20261mo ago · Modified Jun 17, 20262w ago
5.9 CVSS 4.0
Published May 13, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
Description
Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
1.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-1233
References 1
- amd.com https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.