CVEvulnerability

CVE-2021-26315

7.8 HIGH Published 2021-11-16 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-11-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-345

Description

When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to insufficient verification of the integrity of decrypted image, arbitrary code may be executed in the PSP when encrypted firmware images are used.

Affected configurations

• amd epyc 7003 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 72f3 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7313 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7313p firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7343 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 73f3 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7413 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7443 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7443p firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7453 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 74f3 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7513 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7543 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7543p firmware (< milanpi-sp3 1.0.0.4) • amd epyc 75f3 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7643 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7663 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7713 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7713p firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7763 firmware (< milanpi-sp3 1.0.0.4)

Related

Weakness · CWE (1)

  • CWE-345 Insufficient Verification of Data Authenticity weakness

References