CVE-2021-33737
Published: Sep 14, 2021
Modified: Aug 3, 2024
CVSS v3.1
7.5
Description
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.
| Vendor | Product | Versions |
|---|---|---|
Siemens | SIMATIC CP 343-1 (incl. SIPLUS variants) | affected All versions |
Siemens | SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) | affected All versions |
Siemens | SIMATIC CP 343-1 ERPC | affected All versions |
Siemens | SIMATIC CP 343-1 Lean (incl. SIPLUS variants) | affected All versions |
Siemens | SIMATIC CP 443-1 | affected All versions < V3.3 |
Siemens | SIMATIC CP 443-1 | affected All versions < V3.3 |
Siemens | SIMATIC CP 443-1 Advanced | affected All versions < V3.3 |
Siemens | SIPLUS NET CP 443-1 | affected All versions < V3.3 |
Siemens | SIPLUS NET CP 443-1 Advanced | affected All versions < V3.3 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:C
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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