CVE-2021-25674

MEDIUM

SIMATIC S7-PLCSIM V5.4 - Denial of Service via Crafted File

Title source: llm
STIX 2.1

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 NULL pointer deference condition could cause the application to terminate unexpectedly and must be restarted to restore the service.

References (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0004
EPSS Percentile 13.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (1)
siemens/simatic_s7-plcsim 5.4
Published Mar 15, 2021
Tracked Since Feb 18, 2026