Medium severity · published May 10, 2022
CVE-2021-26390
A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data
6.2
CVSS
0.2%
EPSS
No
On KEV
Description
A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A3
Athlon 300u Firmware · Amd
All versions, or not specified · source: NVD
R3
Ryzen 3 3200u Firmware · Amd
All versions, or not specified · source: NVD
R3
Ryzen 3 3300u Firmware · Amd
All versions, or not specified · source: NVD
R3
Ryzen 3 5300g Firmware · Amd
All versions, or not specified · source: NVD
R3
Ryzen 3 5300ge Firmware · Amd
All versions, or not specified · source: NVD
R5
Ryzen 5 2600 Firmware · Amd
All versions, or not specified · source: NVD
R5
Ryzen 5 2600x Firmware · Amd
All versions, or not specified · source: NVD
R5
Ryzen 5 2700 Firmware · Amd
All versions, or not specified · source: NVD
R5
Ryzen 5 2700x Firmware · Amd
All versions, or not specified · source: NVD
R5
Ryzen 5 3500u Firmware · Amd
All versions, or not specified · source: NVD
R5
Ryzen 5 3550h Firmware · Amd
All versions, or not specified · source: NVD
R5
Ryzen 5 3600 Firmware · Amd
All versions, or not specified · source: NVD