Code Injection in AMD products - CVE-2020-12967

 

Code Injection in AMD products - CVE-2020-12967

Published: May 17, 2021 / Updated: March 22, 2022


Vulnerability identifier: #VU53292
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-12967
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: AMD
Affected software:
AMD EPYC Embedded Processors
3rd Gen AMD EPYC Processors
2nd Gen AMD EPYC Processors
1st Gen AMD EPYC Processors

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to the lack of nested page table protection in the AMD SEV/SEV-ES feature. A remote administrator can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2020-12967

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources