Vulnerability Details : CVE-2021-3661
A potential security vulnerability has been identified in certain HP Workstation BIOS (UEFI firmware) which may allow arbitrary code execution. HP is releasing firmware mitigations for the potential vulnerability.
Products affected by CVE-2021-3661
- cpe:2.3:o:hp:z2_mini_g3_firmware:01.83:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z238_microtower_firmware:01.83:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z240_tower_firmware:01.83:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z1_all-in-one_g3_firmware:01.31:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z2_mini_g4_firmware:01.08.01:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z2_mini_g5_firmware:01.03.00_rev_a:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z2_small_form_factor_g4_firmware:01.08.01:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z2_small_form_factor_g5_firmware:01.03.00_rev_a:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z2_small_form_factor_g8_firmware:01.03.00_rev_a:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z2_tower_g4_firmware:01.08.01:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z2_tower_g5_firmware:01.03.00_rev_a:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z2_tower_g8_firmware:01.03.00_rev_a:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z240_small_form_factor_firmware:01.83:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z4_g4_firmware:02.75:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z440_firmware:2.58:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z6_g4_firmware:02.75:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z640_firmware:2.58:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z8_g4_firmware:02.75:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z840_firmware:2.58:*:*:*:*:*:*:*
- cpe:2.3:o:hp:zcentral_4r_firmware:01.18:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3661
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3661
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
8.4
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.5
|
5.9
|
NIST |
References for CVE-2021-3661
-
https://support.hp.com/us-en/document/ish_5670997-5671021-16/hpsbhf03770
HP Workstation BIOS February 2022 Security Update | HP® Customer SupportVendor Advisory
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