CVE-2021-26321

CWE-20 — Improper Input Validation CWE-77 — Command Injection3 documents3 sources

Severity

5.5MEDIUM

EPSS

0.1%

top 69.63%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

AMD 1ST GEN AMD Epyc™AMD 2ND GEN AMD Epyc™AMD 3RD GEN AMD Epyc™+57 more

Timeline

PublishedNov 16

Latest updateMay 24

Description

Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages60 packages

▶NVDamd/epyc_7251_firmware< naplespi-sp3_1.0.0.g

▶NVDamd/epyc_7252_firmware< romepi-sp3_1.0.0.c

▶NVDamd/epyc_7261_firmware< naplespi-sp3_1.0.0.g

▶NVDamd/epyc_7262_firmware< romepi-sp3_1.0.0.c

▶NVDamd/epyc_7272_firmware< romepi-sp3_1.0.0.c

🔴Vulnerability Details

GHSA

GHSA-f2xj-57vr-m78h: Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP↗2022-05-24

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CVEList

CVE-2021-26321: Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP↗2021-11-16

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