CVE-2021-26311 describes a vulnerability in AMD's SEV/SEV-ES feature, affecting AMD processors. A malicious hypervisor can rearrange guest memory, bypassing attestation and potentially leading to arbitrary code execution within the guest VM if an administrator compromises the server hypervisor. This vulnerability has a CVSS score of 7.2 (High), indicating a high impact on confidentiality, integrity, and availability, with low attack complexity and requiring high privileges. There is no evidence of active exploitation, public exploit code, or significant community discussion regarding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:h:amd:epyc_7232p:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:h:amd:epyc_7251:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:h:amd:epyc_7252:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:h:amd:epyc_7261:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:h:amd:epyc_7262:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.