CVE-2021-26344
—CVSS 3.1
8.2 high
EPSS
<1%p6
Published
()
Modified
Description
An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.
- Vendors
- amd
- Products
- epyc 7203 firmware, epyc 7203p firmware, epyc 72f3 firmware, epyc 7303 firmware, epyc 7303p firmware, epyc 7313 firmware, epyc 7313p firmware, epyc 7343 firmware, epyc 73f3 firmware, epyc 7373x firmware, epyc 7413 firmware, epyc 7443 firmware
- Weakness
- CWE-787
- Vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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