CVE-2021-25675

MEDIUM

Siemens Simatic S7-plcsim - Divide By Zero

Title source: rule

Description

A vulnerability has been identified in SIMATIC S7-PLCSIM V5.4 (All versions). An attacker with local access to the system could cause a Denial-of-Service condition in the application when it is used to open a specially crafted file. As a consequence, a divide by zero operation could occur and cause the application to terminate unexpectedly and must be restarted to restore the service.

References (1)

[Vendor Advisory] https://cert-portal.siemens.com/productcert/pdf/ssa-256092.pdf

Scores

CVSS v3 5.5

EPSS 0.0004

EPSS Percentile 13.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-369

Status published

Affected Products (1)

siemens/simatic_s7-plcsim

Timeline

Published Mar 15, 2021

Tracked Since Feb 18, 2026