HIGH · 8.4

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 v...

Vulnerability Description

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.

CVSS Score

8.4

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
HpZ1 All-In-One G3 Firmware01.31
HpZ1 All-In-One G3-
HpZ2 Mini G3 Firmware01.83
HpZ2 Mini G3-
HpZ2 Mini G4 Firmware01.08.01
HpZ2 Mini G4-
HpZ2 Mini G5 Firmware01.03.00_rev_a
HpZ2 Mini G5-
HpZ2 Small Form Factor G4 Firmware01.08.01
HpZ2 Small Form Factor G4-
HpZ2 Small Form Factor G5 Firmware01.03.00_rev_a
HpZ2 Small Form Factor G5-
HpZ2 Small Form Factor G8 Firmware01.03.00_rev_a
HpZ2 Small Form Factor G8-
HpZ2 Tower G4 Firmware01.08.01
HpZ2 Tower G4-
HpZ2 Tower G5 Firmware01.03.00_rev_a
HpZ2 Tower G5-
HpZ2 Tower G8 Firmware01.03.00_rev_a
HpZ2 Tower G8-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-3661?

CVE-2021-3661 is a vulnerability with a CVSS score of 8.4 (HIGH). 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 v...

How severe is CVE-2021-3661?

CVE-2021-3661 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3661?

Check the references section above for vendor advisories and patch information. Affected products include: Hp Z1 All-In-One G3 Firmware, Hp Z1 All-In-One G3, Hp Z2 Mini G3 Firmware, Hp Z2 Mini G3, Hp Z2 Mini G4 Firmware.