CVE-2021-3661 describes a high-severity arbitrary code execution vulnerability found in the BIOS (UEFI firmware) of certain HP Workstation products. This local attack, requiring no user interaction, could lead to complete compromise of confidentiality, integrity, and availability. While HP has released firmware mitigations, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
01.31CPE matchmatch criteria | cpe:2.3:o:hp:z1_all-in-one_g3_firmware:01.31:*:*:*:*:*:*:* | ||
01.83CPE matchmatch criteria | cpe:2.3:o:hp:z2_mini_g3_firmware:01.83:*:*:*:*:*:*:* | ||
01.08.01CPE matchmatch criteria | cpe:2.3:o:hp:z2_mini_g4_firmware:01.08.01:*:*:*:*:*:*:* | ||
01.03.00_rev_aCPE matchmatch criteria | cpe:2.3:o:hp:z2_mini_g5_firmware:01.03.00_rev_a:*:*:*:*:*:*:* | ||
01.08.01CPE matchmatch criteria | cpe:2.3:o:hp:z2_small_form_factor_g4_firmware:01.08.01:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/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, 0.0 Mastodon, and 0.5 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.