ICSA-15-335-03: Siemens SIMATIC Communication Processor Vulnerability (Update C)
CISA advisory · released 2015-11-27
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 7, 2025-07-08 (final)
CISA's summary
Summary: SIMATIC CP and TIM devices contain an authentication bypass vulnerability that could allow unauthenticated users to perform administrative operations under certain conditions. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends countermeasures for products where fixes are not, or not yet available.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SIMATIC CP 342-5 (6GK7342-5DA02-0XE0) | vers:all/* |
| Siemens | SIMATIC CP 342-5 (6GK7342-5DA03-0XE0) | vers:all/* |
| Siemens | SIMATIC CP 342-5 FO (6GK7342-5DF00-0XE0) | vers:all/* |
| Siemens | SIMATIC CP 343-1 (6GK7343-1EX30-0XE0) | vers:all/<V3.1.1 |
| Siemens | SIMATIC CP 343-1 Advanced (6GK7343-1GX31-0XE0) | vers:all/<V3.0.44 |
| Siemens | SIMATIC CP 343-1 Lean (6GK7343-1CX10-0XE0) | vers:all/<V3.1.1 |
| Siemens | SIMATIC CP 443-1 (6GK7443-1EX30-0XE0) | vers:all/<V3.2.9 |
| Siemens | SIMATIC CP 443-1 (6GK7443-1EX30-0XE1) | vers:all/<V3.2.9 |
| Siemens | SIMATIC CP 443-1 Advanced (6GK7443-1GX30-0XE0) | vers:all/<V3.2.9 |
| Siemens | SIMATIC CP 443-5 Basic (6GK7443-5FX02-0XE0) | vers:all/* |
| Siemens | SIMATIC CP 443-5 Extended (6GK7443-5DX05-0XE0) | vers:all/* |
| Siemens | SIMATIC CP 443-5 Extended (6GK7443-5DX05-0XE1) | vers:all/* |
| Siemens | SIPLUS NET CP342-5 (6AG1342-5DA03-7XE0) | vers:all/* |
| Siemens | SIPLUS NET CP 343-1 (6AG1343-1EX30-7XE0) | vers:all/<V3.1.1 |
| Siemens | SIPLUS NET CP 343-1 Advanced (6AG1343-1GX31-4XE0) | vers:all/<V3.0.44 |
| Siemens | SIPLUS NET CP 343-1 Lean (6AG1343-1CX10-2XE0) | vers:all/<V3.1.1 |
| Siemens | SIPLUS NET CP 443-1 (6AG1443-1EX30-4XE0) | vers:all/<V3.2.9 |
| Siemens | SIPLUS NET CP 443-1 Advanced (6AG1443-1GX30-4XE0) | vers:all/<V3.2.9 |
| Siemens | SIPLUS NET CP 443-5 (6AG1443-5DX05-4XE0) | vers:all/* |
| Siemens | SIPLUS NET TIM 3V-IE (6AG1800-3BA00-7AA0) | vers:all/<V2.6 |
| Siemens | SIPLUS NET TIM 3V-IE DNP3 (6AG1803-3BA00-7AA0) | vers:all/<V3.1 |
| Siemens | SIPLUS NET TIM 4R-IE (6AG1800-4BA00-7AA0) | vers:all/<V2.6 |
| Siemens | SIPLUS NET TIM 4R-IE DNP3 (6AG1803-4BA00-7AA0) | vers:all/<V3.1 |
| Siemens | TIM 3V-IE (6NH7800-3BA00) | vers:all/<V2.6 |
| Siemens | TIM 3V-IE Advanced (6NH7800-3CA00) | vers:all/<V2.6 |
| Siemens | TIM 3V-IE DNP3 (6NH7803-3BA00-0AA0) | vers:all/<V3.1 |
| Siemens | TIM 4R-IE (6NH7800-4BA00) | vers:all/<V2.6 |
| Siemens | TIM 4R-IE DNP3 (6NH7803-4BA00-0AA0) | vers:all/<V3.1 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2015-8214 — CVE-2015-8214 · CWE-306
The implemented access protection level enforcement of the affected communication processors (CP) could possibly allow unauthenticated users to perform administrative operations on the CPs if network access (port 102/TCP) is available and the CPs' configuration was stored on their corresponding CPUs.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reporting this vulnerability to CISA.
The advisory's legal notice
The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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