Description
A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V9.64), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions < V9.64), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions < V9.64), SIPROTEC 5 6MD89 (CP300) (All versions < V9.64), SIPROTEC 5 6MU85 (CP300) (All versions < V9.64), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions < V9.64), SIPROTEC 5 7SA82 (CP100) (All versions < V8.90), SIPROTEC 5 7SA82 (CP150) (All versions < V9.65), SIPROTEC 5 7SA84 (CP200) (All versions), SIPROTEC 5 7SA86 (CP200) (All versions), SIPROTEC 5 7SA86 (CP300) (All versions < V9.65), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions < V9.65), SIPROTEC 5 7SD82 (CP100) (All versions < V8.90), SIPROTEC 5 7SD82 (CP150) (All versions < V9.65), SIPROTEC 5 7SD84 (CP200) (All versions), SIPROTEC 5 7SD86 (CP200) (All versions), SIPROTEC 5 7SD86 (CP300) (All versions < V9.65), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions < V9.65), SIPROTEC 5 7SJ81 (CP100) (All versions < V8.89), SIPROTEC 5 7SJ81 (CP150) (All versions < V9.65), SIPROTEC 5 7SJ82 (CP100) (All versions < V8.89), SIPROTEC 5 7SJ82 (CP150) (All versions < V9.65), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions < V9.65), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions < V9.65), SIPROTEC 5 7SK82 (CP100) (All versions < V8.89), SIPROTEC 5 7SK82 (CP150) (All versions < V9.65), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions < V9.65), SIPROTEC 5 7SL82 (CP100) (All versions < V8.90), SIPROTEC 5 7SL82 (CP150) (All versions < V9.65), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions < V9.65), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions < V9.65), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions < V9.64), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions < V9.64), SIPROTEC 5 7ST86 (CP300) (All versions < V9.64), SIPROTEC 5 7SX82 (CP150) (All versions < V9.65), SIPROTEC 5 7SX85 (CP300) (All versions < V9.65), SIPROTEC 5 7UM85 (CP300) (All versions < V9.64), SIPROTEC 5 7UT82 (CP100) (All versions < V8.90), SIPROTEC 5 7UT82 (CP150) (All versions < V9.65), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions < V9.65), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions < V9.65), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions < V9.65), SIPROTEC 5 7VE85 (CP300) (All versions < V9.64), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions < V9.65), SIPROTEC 5 7VU85 (CP300) (All versions < V9.64), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions < V9.62 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions installed on CP200 devices), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions < V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions installed on CP200 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions < V9.62 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions < V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BD-2FO (All versions < V9.62), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V9.64). The affected devices are supporting weak ciphers on several ports (443/tcp for web, 4443/tcp for DIGSI 5 and configurable port for syslog over TLS).
This could allow an unauthorized attacker in a man-in-the-middle position to decrypt any data passed over to and from those ports.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIPROTEC 5 6MD84 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 6MD85 (CP200) | — | — |
| Siemens | SIPROTEC 5 6MD85 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 6MD86 (CP200) | — | — |
| Siemens | SIPROTEC 5 6MD86 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 6MD89 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 6MU85 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 7KE85 (CP200) | — | — |
| Siemens | SIPROTEC 5 7KE85 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 7SA82 (CP100) | < V8.90 | V8.90 |
| Siemens | SIPROTEC 5 7SA82 (CP150) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SA84 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SA86 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SA86 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SA87 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SA87 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SD82 (CP100) | < V8.90 | V8.90 |
| Siemens | SIPROTEC 5 7SD82 (CP150) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SD84 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SD86 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SD86 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SD87 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SD87 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SJ81 (CP100) | < V8.89 | V8.89 |
| Siemens | SIPROTEC 5 7SJ81 (CP150) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SJ82 (CP100) | < V8.89 | V8.89 |
| Siemens | SIPROTEC 5 7SJ82 (CP150) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SJ85 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SJ85 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SJ86 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SJ86 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SK82 (CP100) | < V8.89 | V8.89 |
| Siemens | SIPROTEC 5 7SK82 (CP150) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SK85 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SK85 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SL82 (CP100) | < V8.90 | V8.90 |
| Siemens | SIPROTEC 5 7SL82 (CP150) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SL86 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SL86 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SL87 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SL87 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SS85 (CP200) | — | — |
| Siemens | SIPROTEC 5 7SS85 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 7ST85 (CP200) | — | — |
| Siemens | SIPROTEC 5 7ST85 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 7ST86 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 7SX82 (CP150) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7SX85 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7UM85 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 7UT82 (CP100) | < V8.90 | V8.90 |
| Siemens | SIPROTEC 5 7UT82 (CP150) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7UT85 (CP200) | — | — |
| Siemens | SIPROTEC 5 7UT85 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7UT86 (CP200) | — | — |
| Siemens | SIPROTEC 5 7UT86 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7UT87 (CP200) | — | — |
| Siemens | SIPROTEC 5 7UT87 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7VE85 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 7VK87 (CP200) | — | — |
| Siemens | SIPROTEC 5 7VK87 (CP300) | < V9.65 | V9.65 |
| Siemens | SIPROTEC 5 7VU85 (CP300) | < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) | < V9.62, < V8.89 | V9.62 |
| Siemens | SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) | < V9.62, < V8.89 | V9.62 |
| Siemens | SIPROTEC 5 Communication Module ETH-BD-2FO | < V9.62 | V9.62 |
| Siemens | SIPROTEC 5 Compact 7SX800 (CP050) | < V9.64 | V9.64 |
Advisories 4
- ICSA-24-193-14 Siemens SIPROTEC CISA ICS & IT advisories · Nov 11, 2025
- SSA-750499 SSA-750499: Weak Encryption Vulnerability in SIPROTEC 5 Devices Siemens ProductCERT · Nov 11, 2025
- WID-SEC-2024-1574 Siemens SIPROTEC: Schwachstelle ermöglicht Offenlegung von Informationen und Manipulation von Dateien BSI CERT-Bund (WID) · Jul 9, 2024
- NCSC-2024-0282 Kwetsbaarheden verholpen in Siemens Producten NCSC-NL (Netherlands) · Jul 9, 2024