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Vulnerability · Published Aug 13, 2024 · Assigned by AMD

CVE-2021-26387

Low 3.9

In plain English

A low-severity incorrect authorization in AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)3.9Low
Exploit odds (30 days)0.1%top 96.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.

Affected products (as reported)

VendorProductVersions
AMD AMD EPYC™ 7001 Series Processors various
AMD AMD EPYC™ 7002 Series Processors various
AMD AMD EPYC™ 7003 Series Processors various
AMD AMD EPYC™ 9004 Series Processors various
AMD AMD Ryzen™ 3000 Series Desktop Processors see references
AMD AMD Ryzen™ 5000 Series Desktop Processors see references
AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics see references
AMD AMD Ryzen™ 7000 Series Desktop Processors see references
AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ Threadripper™ 3000 Series Processors see references
AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors see references
AMD AMD Ryzen™ Threadripper™ PRO 5000WX Processors see references
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics see references
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics see references
AMD AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics see references
AMD AMD EPYC™ Embedded 3000 Series Processors various
AMD AMD EPYC™ Embedded 7002 Series Processors various
AMD AMD EPYC™ Embedded 7003 Series Processors various
AMD AMD EPYC™ Embedded 9003 Series Processors various
AMD AMD Ryzen™ Embedded R1000 Series Processors see references
AMD AMD Ryzen™ Embedded R2000 Series Processors see references
AMD AMD Ryzen™ Embedded 5000 Series Processors see references

Weakness: CWE-863 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

References