CVE-2021-38576 is a high-severity BIOS bug in tianocore edk2 firmware that leaves the Platform authorization value empty, allowing for permanent TPM bricking or non-permanent system denial-of-service. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network with low complexity and no user interaction, leading to high availability impact. Despite its severity, there is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
201808CPE matchmatch criteria | cpe:2.3:a:tianocore:edk2:201808:*:*:*:*:*:*:* | ||
201811CPE matchmatch criteria | cpe:2.3:a:tianocore:edk2:201811:*:*:*:*:*:*:* | ||
201903CPE matchmatch criteria | cpe:2.3:a:tianocore:edk2:201903:*:*:*:*:*:*:* | ||
201905CPE matchmatch criteria | cpe:2.3:a:tianocore:edk2:201905:*:*:*:*:*:*:* | ||
201908CPE matchmatch criteria | cpe:2.3:a:tianocore:edk2:201908:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.