Division by zero in SIMATICS S7-PLCSIM - CVE-2021-25675
Published: March 10, 2021
Vulnerability identifier: #VU51369
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-25675
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SIMATICS S7-PLCSIM
SIMATICS S7-PLCSIM
Software vendor:
Siemens
Siemens
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to division by zero error in the application when it is used to open a specially crafted file. A remote authenticated can cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.