CVE-2021-26320

EPSS 0.2%CWE-295

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Nov 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP

Affected products

AMD · 1st Gen AMD EPYC™AMD · 2nd Gen AMD EPYC™AMD · 3rd Gen AMD EPYC™

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References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021