SB2020120234 - Privilege escalation in F5 BIG-IP Intel CPU firmware

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2020120234

SB2020120234 - Privilege escalation in F5 BIG-IP Intel CPU firmware

Published: December 2, 2020 Updated: May 27, 2025

Security Bulletin ID SB2020120234
CSH Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Buffer overflow (CVE-ID: CVE-2020-0591)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in BIOS firmware for some Intel Processors. A local administrator can trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References