CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
arbitrary code execution code execution
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2023-20578
Severity
HIGH
CVSS
7.5
EPSS
0.12%
Original NVD Description
A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.
Related CVEs
Other vulnerabilities affecting the same vendor(s)