CVE-2021-39298

highpriority · track · 35EPSS 0.004 · 31 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.37% (31st) EPSS

CVSS 7.2 · high

Is it mine?

202 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in the UEFI firmware.

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.18.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2 · impact 6

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 0.6 · impact 5.9

v3.18.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269US

affected products (202)

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 2nd Gen EPYCall versionsenisa_euvdEU
AMD 3rd Gen EPYCall versionsenisa_euvdEU
AMD Ryzen 2000 Seriesall versionsenisa_euvdEU
AMD Ryzen 3000 Seriesall versionsenisa_euvdEU
AMD Ryzen 5000 Seriesall versionsenisa_euvdEU
hp 260 g3 desktop mini pc firmware≤ 2.17.00nvdUScpe:2.3:o:hp:260_g3_desktop_mini_pc_firmware:*:*:*:*:*:*:*:*
hp elite dragonfly firmware< 01.12.00nvdUScpe:2.3:o:hp:elite_dragonfly_firmware:*:*:*:*:*:*:*:*
hp elite dragonfly g2 firmware< 01.08.00nvdUScpe:2.3:o:hp:elite_dragonfly_g2_firmware:*:*:*:*:*:*:*:*
hp elite dragonfly max firmware< 01.08.00nvdUScpe:2.3:o:hp:elite_dragonfly_max_firmware:*:*:*:*:*:*:*:*
hp elite x2 1013 g3 firmware< 01.19.00nvdUScpe:2.3:o:hp:elite_x2_1013_g3_firmware:*:*:*:*:*:*:*:*

showing 20 of 202

advisories (3)

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.
WID-SEC-W-2023-0061AMD Prozessoren: Mehrere SchwachstellenDeutsch2023-01-10csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in AMD Prozessoren ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand zu verursachen und Daten zu manipulieren.
WID-SEC-W-2023-0165HP BIOS UEFI Firmware: Mehrere Schwachstellen ermöglichen PrivilegieneskalationDeutsch2022-02-16csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen im HP BIOS in der UEFI Firmware ausnutzen, um seine Privilegien zu erhöhen.

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 2022-02-16modified 2026-06-17

references (10)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan