Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC Drive Controller CPU 1504D TF | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC Drive Controller CPU 1507D TF | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC ET 200SP CPU 1510SP F-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC ET 200SP CPU 1510SP-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC ET 200SP CPU 1512SP F-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC ET 200SP CPU 1512SP-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC ET 200SP CPU 1514SP F-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC ET 200SP CPU 1514SP-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC ET 200SP CPU 1514SPT F-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC ET 200SP CPU 1514SPT-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) | V30.1.0 – < V31.1.4 | V31.1.4 |
| Siemens | SIMATIC S7-1200 CPU 1211C AC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1211C DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1211C DC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1212C AC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1212C DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1212C DC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1212FC DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1212FC DC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1214C AC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1214C DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1214C DC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1214FC DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1214FC DC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1215C AC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1215C DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1215C DC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1215FC DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1215FC DC/DC/Rly | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1200 CPU 1217C DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIMATIC S7-1500 CPU 1511-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1511C-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1511F-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1511T-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1511TF-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1512C-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1513-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1513F-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1513pro F-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1513pro-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1513R-1 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1515-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1515F-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1515R-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1515T-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1515TF-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516-3 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516F-3 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516pro F-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516pro-2 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516T-3 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1516TF-3 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517-3 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517F-3 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517H-3 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517T-3 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1517TF-3 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518HF-4 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518T-4 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 CPU 1518TF-4 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIMATIC S7-1500 Software Controller CPU 1507S F V3 | V30.1.0 – < V31.1.4 | V31.1.4 |
| Siemens | SIMATIC S7-1500 Software Controller CPU 1507S V3 | V30.1.0 – < V31.1.4 | V31.1.4 |
| Siemens | SIMATIC S7-1500 Software Controller CPU 1508S F V3 | V30.1.0 – < V31.1.4 | V31.1.4 |
| Siemens | SIMATIC S7-1500 Software Controller CPU 1508S T V3 | V30.1.0 – < V31.1.4 | V31.1.4 |
| Siemens | SIMATIC S7-1500 Software Controller CPU 1508S TF V3 | V30.1.0 – < V31.1.4 | V31.1.4 |
| Siemens | SIMATIC S7-1500 Software Controller CPU 1508S V3 | V30.1.0 – < V31.1.4 | V31.1.4 |
| Siemens | SIMATIC S7-1500 Software Controller Linux V3 | V30.1.0 – < V31.1.4 | V31.1.4 |
| Siemens | SIMATIC S7-PLCSIM Advanced | V6.0 – < V7.0 | V7.0 |
| Siemens | SIPLUS S7-1200 CPU 1212 AC/DC/RLY | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1212 DC/DC/RLY | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1212C DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 AC/DC/RLY | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214 DC/DC/RLY | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214FC DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1214FC DC/DC/RLY | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 AC/DC/RLY | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215 DC/DC/RLY | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215C DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1200 CPU 1215FC DC/DC/DC | < V4.7 | V4.7 |
| Siemens | SIPLUS S7-1500 CPU 1517H-3 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIPLUS S7-1500 CPU 1518F-4 PN/DP | V3.1.0 – < V3.1.2 | V3.1.2 |
| Siemens | SIPLUS S7-1500 CPU 1518HF-4 PN | V3.1.0 – < V3.1.2 | V3.1.2 |
Advisories 5
- ICSA-25-044-02 Siemens SIMATIC CISA ICS & IT advisories · May 6, 2025
- SSA-195895 SSA-195895: User Enumeration Vulnerability in the Webserver of SIMATIC Products Siemens ProductCERT · Apr 8, 2025
- NCSC-2025-0061 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Feb 14, 2025
- NCSC-2025-0051 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Feb 11, 2025
- WID-SEC-2025-0312 Siemens SIMATIC S7: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 10, 2025