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Status published
Low
CVE-2021-46772
Insufficient input validation in the ABL may allow a privileged attacker...
Vulnerability Description
Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the structure headers in SPI ROM causing an out of bounds memory read and write, potentially resulting in memory corruption or denial of service.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
AMD EPYC™ 7002 Series Processors, AMD EPYC™ 7003 Series Processors, AMD Ryzen™ 3000 Series Desktop Processors, AMD Ryzen™ 5000 Series Desktop Processors, AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics, AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics, AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics, AMD Ryzen™ Threadripper™ 3000 Series Processors, AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors, AMD Ryzen™ Threadripper™ PRO 5000WX Processors, AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics, AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics, AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics, AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics, AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics, AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics, AMD EPYC™ Embedded 7002 Series Processors, AMD EPYC™ Embedded 7003 Series Processors, AMD Ryzen™ Embedded R1000 Series Processors, AMD Ryzen™ Embedded R2000 Series Processors, AMD Ryzen™ Embedded 5000 Series Processors, AMD Ryzen™ Embedded V1000 Series Processors, AMD Ryzen™ Embedded V2000 Series Processors, AMD Ryzen™ Embedded V3000 Series Processors
Vulnerable Versions:
RomePI 1.0.0.E, MilanPI 1.0.0.9, various, ComboAM4V2 1.2.0.A, ChagallWSPI-sWRX8 1.0.0.6, CezannePI-FP6 1.0.0.E, MendocinoPI-FT6 1.0.0.3, RembrandtPI-FP7 1.0.0.7, CezannePI-FP6 1.0.0.E, EmbRomePI-SP3 1.0.0.8, EmbMilanPI-SP3 1.0.0.5, EmbeddedPI-FP7r2 1.0.0.4
Timeline
Official Publish:
August 13th, 2024
Last Modified:
November 5th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.