Skip to content
OpenAdvisories
Unscored Public exploit CVE-2021-26943 EUVD-2021-13725GHSA-mjx5-gc25-3cxf

The UX360CA BIOS through 303 on ASUS laptops allow an attacker (with the ring 0 privilege) to overwrite nearly arbitrary physical memory lo…

Published Mar 31, 2021 · Updated Aug 3, 2024 · Assigned by mitre

Description

The UX360CA BIOS through 303 on ASUS laptops allow an attacker (with the ring 0 privilege) to overwrite nearly arbitrary physical memory locations, including SMRAM, and execute arbitrary code in the SMM (issue 3 of 3).

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • tandasat/SmmExploit ★ 152 · Dec 31, 2020

    The report and the exploit of CVE-2021-26943, the kernel-to-SMM local privilege escalation vulnerability in ASUS UX360CA BIOS version 303.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References