CVE-2021-26333

mediumpriority · track · 22EPSS 0.005 · 44 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.52% (44th) EPSS

CVSS 4.9 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-28

An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.

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:C/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 6.9

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

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

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-909USprimaryCWE-200US

affected products (5)

Products and version ranges known to be affected.

HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
Lenovo Computerall versionscert_bundDEcpe:/o:lenovo:lenovo_computer:-
AMD PSP DriverPSP Driver → 5.17.0.0enisa_euvdEU
amd chipset driver< 3.08.17.735nvdUScpe:2.3:a:amd:chipset_driver:*:*:*:*:*:*:*:*
amd psp driver< 5.17.0.0nvdUScpe:2.3:a:amd:psp_driver:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-2329AMD Prozessoren und Chipsätze: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2021-09-14csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle im AMD Prozessoren und Chipsätzen ausnutzen, um Informationen offenzulegen.

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 2021-09-21modified 2026-06-17

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+133 more

references (11)

External citations — patches, advisories, analysis.

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