CVE-2021-26323 is a high-severity vulnerability affecting AMD processors, specifically when AMD Secure Encrypted Virtualization (SEV) with Secure Nested Paging (SNP) is active. The flaw stems from a failure to validate SEV commands, which can lead to a significant impact on memory integrity. With a CVSS score of 7.8, exploitation requires local access and low privileges, but can result in high confidentiality, integrity, and availability impacts. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< romepi-sp3_1.0.0.cCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7232p_firmware:*:*:*:*:*:*:*:* | ||
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:* | ||
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:* | ||
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* | ||
< milanpi-sp3_1.0.0.4CPE matchmatch criteria | cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.