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Fencer Vulns
medium 6.8

CVE-2023-20589 json

fTPM Voltage Fault Injection

published 2023-08-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24768

cvss
6.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

An attacker with specialized hardware and physical access to an impacted device may be able to perform a voltage fault injection attack resulting in compromise of the ASP secure boot potentially leading to arbitrary code execution.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-20589 updated cvss 7.1

hw: amd: fTPM Voltage Fault Injection

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
23 mo ago

Exploit prediction

0.58% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • AMD Ryzen™ 3000 Series Desktop Processors
  • AMD Ryzen™ PRO 3000 Series Desktop Processors
  • AMD Ryzen™ 3000 Series Desktop Processors with Radeon™ Graphics
  • AMD Ryzen™ PRO 3000 Series Processors with Radeon™ Vega Graphics
  • AMD Athlon™ 3000 Series Processors with Radeon™ Graphics
  • AMD Athlon™ PRO 3000 Series Processors with Radeon™ Vega Graphics
  • AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics
  • AMD Ryzen™ PRO 4000 Series Desktop Processors
  • AMD Ryzen™ 5000 Series Desktop Processors
  • AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
  • AMD Ryzen™ Threadripper™ 2000 Series Processors
  • AMD Ryzen™ Threadripper™ 5000 Series Processors
  • AMD Ryzen™ Threadripper™ 3000 Series Processors
  • AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
  • AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics
  • AMD Ryzen™ PRO 5000 Series Processors
  • AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
  • AMD Ryzen™ PRO 6000 Series Processors
  • AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
  • AMD Ryzen™ 7030 Series Processors with Radeon™ Graphics
  • AMD Ryzen™ PRO 7030 Series Processors
  • AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.