Vulnerability Monitor

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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.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.4, requiring local system access to exploit with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 40 products from hp, from hp, from hp and 37 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2022-12-12T13:15:11.693

Last Modified

2025-04-29T05:15:40.660

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.4 (HIGH)

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
  • Type: Secondary
    CWE-94

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System hp z1_all-in-one_g3_firmware 01.31 Yes
Hardware hp z1_all-in-one_g3 - No
Operating System hp z2_mini_g3_firmware 01.83 Yes
Hardware hp z2_mini_g3 - No
Operating System hp z2_mini_g4_firmware 01.08.01 Yes
Hardware hp z2_mini_g4 - No
Operating System hp z2_mini_g5_firmware 01.03.00_rev_a Yes
Hardware hp z2_mini_g5 - No
Operating System hp z2_small_form_factor_g4_firmware 01.08.01 Yes
Hardware hp z2_small_form_factor_g4 - No
Operating System hp z2_small_form_factor_g5_firmware 01.03.00_rev_a Yes
Hardware hp z2_small_form_factor_g5 - No
Operating System hp z2_small_form_factor_g8_firmware 01.03.00_rev_a Yes
Hardware hp z2_small_form_factor_g8 - No
Operating System hp z2_tower_g4_firmware 01.08.01 Yes
Hardware hp z2_tower_g4 - No
Operating System hp z2_tower_g5_firmware 01.03.00_rev_a Yes
Hardware hp z2_tower_g5 - No
Operating System hp z2_tower_g8_firmware 01.03.00_rev_a Yes
Hardware hp z2_tower_g8 - No
Operating System hp z238_microtower_firmware 01.83 Yes
Hardware hp z238_microtower - No
Operating System hp z240_small_form_factor_firmware 01.83 Yes
Hardware hp z240_small_form_factor - No
Operating System hp z240_tower_firmware 01.83 Yes
Hardware hp z240_tower - No
Operating System hp z4_g4_firmware 02.75 Yes
Hardware hp z4_g4 - No
Operating System hp z440_firmware 2.58 Yes
Hardware hp z440 - No
Operating System hp z6_g4_firmware 02.75 Yes
Hardware hp z6_g4 - No
Operating System hp z640_firmware 2.58 Yes
Hardware hp z640 - No
Operating System hp z8_g4_firmware 02.75 Yes
Hardware hp z8_g4 - No
Operating System hp z840_firmware 2.58 Yes
Hardware hp z840 - No
Operating System hp zcentral_4r_firmware 01.18 Yes
Hardware hp zcentral_4r - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For hp's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.