CVE-2021-26388

mediumpriority · track · 22EPSS 0.002 · 12 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.22% (12th) EPSS

CVSS 4.9 · medium

Is it mine?

167 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM, exposing out of bounds memory contents, resulting in a potential denial of service.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USprimary

affected products (167)

Products and version ranges known to be affected.

AMD Prozessorall versionscert_bundDEcpe:/h:amd:amd_processor:-
AMD Prozessor Athlonall versionscert_bundDEcpe:/h:amd:amd_processor:athlon
AMD Prozessor EPYCall versionscert_bundDEcpe:/h:amd:amd_processor:epyc
AMD Prozessor Ryzenall versionscert_bundDEcpe:/h:amd:amd_processor:ryzen
Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
HPE ProLiantall versionscert_bundDEcpe:/h:hp:proliant:-
Lenovo Computerall versionscert_bundDEcpe:/o:lenovo:lenovo_computer:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
AMD Athlon™ Seriesall versionsenisa_euvdEU
AMD EPYC™ Processorsall versionsenisa_euvdEU
AMD Ryzen™ Seriesall versionsenisa_euvdEU
amd epyc 7232p firmware< romepi-sp3_1.0.0.dnvdUScpe:2.3:o:amd:epyc_7232p_firmware:*:*:*:*:*:*:*:*
amd epyc 7252 firmware< romepi-sp3_1.0.0.dnvdUScpe:2.3:o:amd:epyc_7252_firmware:*:*:*:*:*:*:*:*
amd epyc 7262 firmware< romepi-sp3_1.0.0.dnvdUScpe:2.3:o:amd:epyc_7262_firmware:*:*:*:*:*:*:*:*
amd epyc 7272 firmware< romepi-sp3_1.0.0.dnvdUScpe:2.3:o:amd:epyc_7272_firmware:*:*:*:*:*:*:*:*
amd epyc 7282 firmware< romepi-sp3_1.0.0.dnvdUScpe:2.3:o:amd:epyc_7282_firmware:*:*:*:*:*:*:*:*
amd epyc 72f3 firmware< milanpi-sp3_1.0.0.7nvdUScpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:*
amd epyc 7302 firmware< romepi-sp3_1.0.0.dnvdUScpe:2.3:o:amd:epyc_7302_firmware:*:*:*:*:*:*:*:*

showing 20 of 167

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-0073AMD Prozessoren: Mehrere SchwachstellenDeutsch2022-05-10csaf · cert_bundDE
Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in AMD Prozessoren ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu verursachen, vertrauliche Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen und Daten zu manipulieren.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2022-05-11modified 2026-06-17

related (11,872)

Related entries.

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+11867 more

references (10)

External citations — patches, advisories, analysis.

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