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Fencer Vulns
low 2.5

CVE-2021-46766 json

Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially l…

published 2023-11-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2021-33422

cvss
2.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits
0
none known

Summary

Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.

Patch / fix

  • amd epyc_9654p_firmware genoapi_1.0.0.4
  • amd epyc_9654_firmware genoapi_1.0.0.4
  • amd epyc_9634_firmware genoapi_1.0.0.4
  • amd epyc_9554p_firmware genoapi_1.0.0.4
  • amd epyc_9554_firmware genoapi_1.0.0.4
  • amd epyc_9534_firmware genoapi_1.0.0.4
  • amd epyc_9474f_firmware genoapi_1.0.0.4
  • amd epyc_9454p_firmware genoapi_1.0.0.4
  • amd epyc_9454_firmware genoapi_1.0.0.4
  • amd epyc_9374f_firmware genoapi_1.0.0.4
  • amd epyc_9354p_firmware genoapi_1.0.0.4
  • amd epyc_9354_firmware genoapi_1.0.0.4
  • amd epyc_9334_firmware genoapi_1.0.0.4
  • amd epyc_9274f_firmware genoapi_1.0.0.4
  • amd epyc_9254_firmware genoapi_1.0.0.4
  • amd epyc_9224_firmware genoapi_1.0.0.4
  • amd epyc_9174f_firmware genoapi_1.0.0.4
  • amd epyc_9124_firmware genoapi_1.0.0.4
  • amd epyc_9684x_firmware genoapi_1.0.0.4
  • amd epyc_9384x_firmware genoapi_1.0.0.4
  • kernel-firmware SLE Module for Basesystem 15 SP5, SLE Micro 5.5, openSUSE Leap 15.5 20230724-150500.3.9.1
  • kernel-firmware SLE Module for Basesystem 15 SP4, SLE Micro 5.4, SLE Micro 5.3 +3 more 20220509-150400.4.25.1
  • kernel-firmware SLES for SAP 12 SP5, SLES 12 SP5 20190618-5.34.1
  • kernel-firmware SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Micro 5.2 +4 more 20210208-150300.4.19.1
  • kernel-firmware SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES 15 SP2-LTSS +3 more 20200107-150100.3.40.1

suse advisories SUSE-SU-2024:2376-1SUSE-SU-2023:4665-1SUSE-SU-2023:4664-1SUSE-SU-2023:4660-1SUSE-SU-2023:4655-1SUSE-SU-2023:4654-1

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 2.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors “Chagall” WS
  • AMD 4th Gen AMD EPYC™ Processors
  • AMD AMD EPYC™ Embedded 9003

Classification

Weakness

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.