Skip to content
Fencer Vulns
medium 5.2

CVE-2021-46746 json

Lack of stack protection exploit mechanisms in ASP Secure OS Trusted Execution Environment (TEE) may allow a privileged attacker with acces…

published 2024-08-13 2 y ago modified 2026-06-17 4 mo ago also EUVD-2021-33402

cvss
5.2
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 4%
public exploits
0
none known

Summary

Lack of stack protection exploit mechanisms in ASP Secure OS Trusted Execution Environment (TEE) may allow a privileged attacker with access to AMD signing keys to c006Frrupt the return address, causing a stack-based buffer overrun, potentially leading to a denial of service.

Patch / fix

  • AMD AMD Ryzen™ 3000 Series Desktop Processors ComboAM4 V2 PI 1.2.0.8, ComboAM4PI 1.0.0.9
  • AMD AMD Ryzen™ 5000 Series Desktop Processors ComboAM4V2 PI 1.2.0.8
  • AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics ComboAM4v2 PI 1.2.0.5
  • AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2 PI 1.2.0.5
  • AMD AMD Ryzen™ Threadripper™ 3000 Series Processors CastlePeakPI-SP3r3 1.0.0.7
  • AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors CastlePeakWSPI-sWRX8 1.0.0.9, ChagallWSPI-sWRX8 1.0.0.2
  • AMD AMD Ryzen™ Threadripper™ PRO 5000WX Processors ChagallWSPI-sWRX8 1.0.0.2
  • AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics PicassoPI-FP5 1.0.0.E
  • AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics PicassoPI-FP5 1.0.0.E
  • AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics RenoirPI-FP6 1.0.0.8
  • AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.8
  • AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics MendocinoPI-FT6 1.0.0.6
  • AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics RembrandtPI-FP7 1.0.0.5
  • AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics RembrandtPI-FP7 1.0.0.5
  • AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.8
  • AMD AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.8
  • AMD AMD Ryzen™ 7045 Series Mobile Processors DragonRangeFL1PI 1.0.0.3b
  • AMD AMD Ryzen™ Embedded R1000 Series Processors EmbeddedPI-FP5 1.2.0.A
  • AMD AMD Ryzen™ Embedded R2000 Series Processors EmbeddedR2KPI-FP5 1.0.0.2
  • AMD AMD Ryzen™ Embedded 5000 Series Processors EmbAM4PI 1.0.0.2
  • AMD AMD Ryzen™ Embedded 7000 Series Processors EmbeddedAM5PI 1.0.0.0
  • AMD AMD Ryzen™ Embedded V1000 Series Processors EmbeddedPI-FP5 1.2.0.A
  • AMD AMD Ryzen™ Embedded V2000 Series Processors EmbeddedPI-FP6 1.0.0.6
  • AMD AMD Ryzen™ Embedded V3000 Series Processors EmbeddedPI-FP7r2 1.0.0.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.2 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H

Affected products

  • AMD AMD EPYC™ 7001 Processors
  • AMD AMD EPYC™ 7002 Processors
  • AMD AMD EPYC™ 7003 Processors
  • AMD AMD EPYC™ 9004 Processors
  • AMD AMD Ryzen™ 3000 Series Desktop Processors
  • AMD AMD Ryzen™ 5000 Series Desktop Processors
  • AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics
  • AMD AMD Ryzen™ 7000 Series Desktop Processors
  • AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
  • AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics
  • AMD AMD Ryzen™ Threadripper™ 3000 Series Processors
  • AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors
  • AMD AMD Ryzen™ Threadripper™ PRO 5000WX Processors
  • AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
  • AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics
  • AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
  • AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
  • AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
  • AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
  • AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
  • AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics
  • AMD AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics
  • AMD AMD Ryzen™ 7045 Series Mobile Processors
  • AMD AMD EPYC™ Embedded 3000 Series Processors
  • AMD AMD EPYC™ Embedded 7002 Series Processors
  • AMD AMD EPYC™ Embedded 7003 Series Processors
  • AMD AMD EPYC™ Embedded 9003 Series Processors
  • AMD AMD Ryzen™ Embedded R1000 Series Processors
  • AMD AMD Ryzen™ Embedded R2000 Series Processors
  • AMD AMD Ryzen™ Embedded 5000 Series Processors
  • AMD AMD Ryzen™ Embedded 7000 Series Processors
  • AMD AMD Ryzen™ Embedded V1000 Series Processors
  • AMD AMD Ryzen™ Embedded V2000 Series Processors
  • AMD AMD Ryzen™ Embedded V3000 Series Processors

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.