Buffer overflow in SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP - CVE-2020-0591
Published: May 13, 2021
Vulnerability identifier: #VU53229
CSH Severity: Low
CVSS v4: 8.4 [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]
CVE-ID: CVE-2020-0591
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
BIG-IP
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
BIG-IP
How to mitigate CVE-2020-0591
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.