Vulnerability identifier: #VU53292

Vulnerability risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-12967

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
AMD EPYC Embedded Processors
Hardware solutions / Firmware
3rd Gen AMD EPYC Processors
Hardware solutions / Firmware
2nd Gen AMD EPYC Processors
Hardware solutions / Firmware
1st Gen AMD EPYC Processors
Hardware solutions / Firmware

Vendor: AMD

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.

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

Vulnerable software versions

AMD EPYC Embedded Processors: All versions

3rd Gen AMD EPYC Processors: All versions

2nd Gen AMD EPYC Processors: All versions

1st Gen AMD EPYC Processors: All versions

---

External links
http://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.