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.
References
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https://cert-portal.siemens.com/productcert/pdf/ssa-549234.pdf | Patch Vendor Advisory |
https://cert-portal.siemens.com/productcert/pdf/ssa-549234.pdf | Patch Vendor Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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Configuration 4 (hide)
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Configuration 5 (hide)
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Configuration 6 (hide)
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History
21 Nov 2024, 06:09
Type | Values Removed | Values Added |
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References | () https://cert-portal.siemens.com/productcert/pdf/ssa-549234.pdf - Patch, Vendor Advisory |
Information
Published : 2021-09-14 11:15
Updated : 2024-11-21 06:09
NVD link : CVE-2021-33737
Mitre link : CVE-2021-33737
CVE.ORG link : CVE-2021-33737
JSON object : View
Products Affected
siemens
- simatic_cp_443-1
- simatic_cp_443-1_advanced
- simatic_cp343-1_advanced
- simatic_cp_343-1_lean_firmware
- simatic_cp_443-1_firmware
- simatic_cp343-1
- simatic_cp_343-1_firmware
- simatic_cp_343-1_erpc_firmware
- simatic_cp_343-1_erpc
- simatic_cp_343-1_advanced_firmware
- simatic_cp_443-1_advanced_firmware
- simatic_cp_343-1_lean
CWE
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer