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CVE-2021-33737

A vulnerability has been identified in SIMATIC CP 343-1 (incl.

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

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 (All versions < V3.3), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 Advanced (All versions < V3.3), SIPLUS NET CP 443-1 (All versions < V3.3), SIPLUS NET CP 443-1 Advanced (All versions < V3.3). 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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Siemens SIMATIC CP 343-1 (incl. SIPLUS variants)

    All versions

  • Siemens SIMATIC CP 343-1 Advanced (incl. SIPLUS variants)

    All versions

  • Siemens SIMATIC CP 343-1 ERPC

    All versions

  • Siemens SIMATIC CP 343-1 Lean (incl. SIPLUS variants)

    All versions

  • Siemens SIMATIC CP 443-1

    All versions < V3.3

  • Siemens SIMATIC CP 443-1

    All versions < V3.3

  • Siemens SIMATIC CP 443-1 Advanced

    All versions < V3.3

  • Siemens SIPLUS NET CP 443-1

    All versions < V3.3

  • Siemens SIPLUS NET CP 443-1 Advanced

    All versions < V3.3

References 1

cert-portal.siemens.com