ICSA-25-044-02: Siemens SIMATIC
CISA advisory · released 2025-02-11
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 3, 2025-05-06 (final)
CISA's summary
Summary: The webserver of several SIMATIC products is affected by a user enumeration vulnerability that could allow an unauthenticated remote attacker to identify valid usernames. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SIMATIC Drive Controller CPU 1504D TF (6ES7615-4DF10-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC Drive Controller CPU 1507D TF (6ES7615-7DF10-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) | >=V30.1.0|<V31.1.4 |
| Siemens | SIMATIC S7-1200 CPU 1211C AC/DC/Rly (6ES7211-1BE40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1211C DC/DC/DC (6ES7211-1AE40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1211C DC/DC/Rly (6ES7211-1HE40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1212C AC/DC/Rly (6ES7212-1BE40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1212C DC/DC/DC (6ES7212-1AE40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1212C DC/DC/Rly (6ES7212-1HE40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1212FC DC/DC/DC (6ES7212-1AF40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1212FC DC/DC/Rly (6ES7212-1HF40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1214C AC/DC/Rly (6ES7214-1BG40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1214C DC/DC/DC (6ES7214-1AG40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1214C DC/DC/Rly (6ES7214-1HG40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1214FC DC/DC/DC (6ES7214-1AF40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1214FC DC/DC/Rly (6ES7214-1HF40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1215C AC/DC/Rly (6ES7215-1BG40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1215C DC/DC/DC (6ES7215-1AG40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1215C DC/DC/Rly (6ES7215-1HG40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1215FC DC/DC/DC (6ES7215-1AF40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1215FC DC/DC/Rly (6ES7215-1HF40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1217C DC/DC/DC (6ES7217-1AG40-0XB0) | <V4.7 |
| Siemens | SIMATIC S7-1500 CPU 1510SP F-1 PN (6ES7510-1SK03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1510SP-1 PN (6ES7510-1DK03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AL03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1511C-1 PN (6ES7511-1CL03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FL03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1511T-1 PN (6ES7511-1TL03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1511TF-1 PN (6ES7511-1UL03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1512C-1 PN (6ES7512-1CM03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1512SP F-1 PN (6ES7512-1SM03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1512SP-1 PN (6ES7512-1DM03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AM03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FM03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1513pro F-2 PN (6ES7513-2GM03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1513pro-2 PN (6ES7513-2PM03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1513R-1 PN (6ES7513-1RM03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1514SP F-2 PN (6ES7514-2SN03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1514SP-2 PN (6ES7514-2DN03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1514SPT F-2 PN (6ES7514-2WN03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1514SPT-2 PN (6ES7514-2VN03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AN03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FN03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1515R-2 PN (6ES7515-2RN03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1515T-2 PN (6ES7515-2TN03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1515TF-2 PN (6ES7515-2UN03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AP03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FP03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516pro F-2 PN (6ES7516-2GP03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516pro-2 PN (6ES7516-2PP03-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516T-3 PN/DP (6ES7516-3TN00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516TF-3 PN/DP (6ES7516-3UN00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517-3 PN/DP (6ES7517-3AP00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517F-3 PN/DP (6ES7517-3FP00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517F-3 PN/DP (6ES7517-3FP01-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517H-3 PN (6ES7517-3HP00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517T-3 PN/DP (6ES7517-3TP00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517TF-3 PN/DP (6ES7517-3UP00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP (6ES7518-4AP00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP (6ES7518-4FP00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518HF-4 PN (6ES7518-4JP00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518T-4 PN/DP (6ES7518-4TP00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518TF-4 PN/DP (6ES7518-4UP00-0AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIMATIC S7-1500 Software Controller | >=V30.1.0 |
| Siemens | SIMATIC S7-PLCSIM Advanced | >=V6.0|<V7.0 |
| Siemens | SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-2XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-4XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-2XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-4XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-2XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-4XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL (6AG2212-1AE40-1XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-2XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-4XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-5XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-2XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-4XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-5XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-2XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-4XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-5XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL (6AG2214-1AG40-1XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214FC DC/DC/DC (6AG1214-1AF40-5XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214FC DC/DC/RLY (6AG1214-1HF40-5XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-2XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-4XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-5XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-2XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-4XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-2XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-4XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-5XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215C DC/DC/DC (6AG1215-1AG40-5XB0) | <V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215FC DC/DC/DC (6AG1215-1AF40-5XB0) | <V4.7 |
| Siemens | SIPLUS S7-1500 CPU 1517H-3 PN (6AG1517-3HP00-4AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP (6AG1518-4AP00-4AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIPLUS S7-1500 CPU 1518F-4 PN/DP (6AG1518-4FP00-4AB0) | >=V3.1.0|<V3.1.2 |
| Siemens | SIPLUS S7-1500 CPU 1518HF-4 PN (6AG1518-4JP00-4AB0) | >=V3.1.0|<V3.1.2 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2023-37482 — CVE-2023-37482 · CWE-203
The login functionality of the web server in affected devices does not normalize the response times of login attempts. An unauthenticated remote attacker could exploit this side-channel information to distinguish between valid and invalid usernames.
Acknowledgments, as the advisory lists them
- David Henrique Estevam de Andrade: reporting this vulnerability to Siemens.
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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