QID 590740

Date Published: 2022-03-17

QID 590740: Siemens SIMATIC NET CP Modules Vulnerability (ICSA-21-257-15)

AFFECTED PRODUCTS
The following versions of SIMATIC NET CP Modules, a communication processor, are affected:
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

QID Detection Logic (Authenticated):
QID checks for the Vulnerable version of using passive scanning

Successful exploitation of this vulnerability could allow an attacker to cause the device to become unavailable until the device is restarted.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as High - 7.8 severity.
    • Solution

    Customers are advised to refer to CERT MITIGATIONS section ICSA-21-257-15 for affected packages and patching details.

    Vendor References

    CVEs related to QID 590740

    CVE-2021-33737 |
    Software Advisories
    Advisory ID Software Component Link
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