Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-12966 |
CWE-ID | CWE-200 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software |
1st Gen AMD EPYC Processors Hardware solutions / Firmware 2nd Gen AMD EPYC Processors Hardware solutions / Firmware 3rd Gen AMD EPYC Processors Hardware solutions / Firmware AMD EPYC Embedded Processors Hardware solutions / Firmware |
Vendor | AMD |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU65122
Risk: Low
CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2020-12966
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a Ciphertext side channel attack on ECC and DH operations in the Secure Encrypted Virtualization with Encrypted State (SEV-ES)
and Secure Encrypted Virtualization with Secure Nested Paging (SEV-SNP). A local user with control over hypervisor can obtain sensitive data from the guest OS.
Install updates from vendor's website.
Vulnerable software versions1st Gen AMD EPYC Processors: All versions
2nd Gen AMD EPYC Processors: All versions
3rd Gen AMD EPYC Processors: All versions
AMD EPYC Embedded Processors: All versions
CPE2.3http://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1013
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.