Arbitrary Code Execution Vulnerability in HP UEFI Firmware
CVE-2021-3809

7.8HIGH

Key Information:

Vendor

HP
Status
HP Pc BiOS
Vendor
CVE Published:
1 February 2023

What is CVE-2021-3809?

A vulnerability has been identified in the UEFI firmware of several HP PC products, which may enable attackers to execute arbitrary code. If exploited, this could lead to unauthorized control over the affected devices. In response, HP is actively releasing firmware updates to address and mitigate these potential security risks. Users are strongly encouraged to update their firmware to the latest version to protect their systems.

Affected Version(s)

HP PC BIOS See HP Security Bulletin reference for affected versions.

References

https://support.hp.com/us-en/document/ish_6184733-6184761...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.