CVE-2023-20509

mediumpriority · track · 0EPSS 0.001 · 4 %ileDEEU
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.14% (4th) EPSS
CVSS 5.2 · medium
Is it mine?
8 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

An insufficient DRAM address validation in PMFW may allow a privileged attacker to perform a DMA read from an invalid DRAM address to SRAM, potentially resulting in loss of data integrity.

01

cvss

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

5.2
010

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

v3.15.2mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:Lsecondary · ENISA EU
v3.15.2mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:Lsecondary · psirt@amd.comexploitability 0.5 · impact 4.7
v3.14.8mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:L/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

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

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125US
04

affected products (8)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2024-1841AMD Radeon: Mehrere SchwachstellenDeutsch2024-08-13csaf · cert_bundDE

    Ein lokaler Angreifer kann mehrere Schwachstellen in AMD Radeon ausnutzen, um Daten zu manipulieren, einen Denial-of-Service-Zustand zu verursachen oder vertrauliche Informationen offenzulegen.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundNVDCVE.orgMITRE
published 2024-08-13modified 2026-06-17
08

references (4)

External citations — patches, advisories, analysis.

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