Low severity · published Aug 13, 2024
CVE-2021-46772
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…
3.9
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics · AMD
various · source: vendor
AA
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics · AMD
various; various · source: vendor
AE
AMD EPYC™ 7002 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 7003 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 7002 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 7003 Series Processors · AMD
All versions, or not specified · source: vendor
AR
AMD Ryzen™ 3000 Series Desktop Processors · AMD
various · source: vendor
AR
AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics · AMD
various · source: vendor
AR
AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics · AMD
All versions, or not specified · source: vendor
AR
AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics · AMD
various · source: vendor
AR
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics · AMD
various · source: vendor
AR
AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics · AMD
ComboAM4V2 1.2.0.A · source: vendor
Affected product
AA
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
AMD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-46772
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-46772
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html
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