A vulnerability has been identified in SIMATIC CP 343-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 ERPC (All versions), SIMATIC CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC CP 443-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 443-1 Advanced (incl. SIPLUS variants) (All versions). Sending a specially crafted packet to port 102/tcp of an affected device could cause a Denial-of-Service condition. A restart is needed to restore normal operations.

Related CVEs

CVE-2021-33737

Key Information

GHSA ID

GHSA-w34c-jjqq-3824

Published

May 24, 2022 7:14 PM

Last Modified

May 24, 2022 7:14 PM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: June 14, 2025 6:24 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.