CVE-2021-26409
HIGH
7.8
CVSS Score
Published: January 10, 2023 at 08:56 PM UTC
Updated: June 17, 2026 at 03:43 AM UTC
3 products affected across 1 vendorMilanpi FirmwareMilanpiEpyc 7003
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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor Advisory
Source: [email protected]
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.8HIGHCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
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