Description
A vulnerability has been identified in SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 6MD89 (CP300) (All versions >= V7.80 < V9.64), SIPROTEC 5 6MU85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7KE85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SA82 (CP100) (All versions < V8.90), SIPROTEC 5 7SA82 (CP150) (All versions < V9.40), SIPROTEC 5 7SA86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SA87 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SD82 (CP100) (All versions < V8.90), SIPROTEC 5 7SD82 (CP150) (All versions < V9.40), SIPROTEC 5 7SD86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SD87 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SJ81 (CP100) (All versions < V8.89), SIPROTEC 5 7SJ81 (CP150) (All versions < V9.40), SIPROTEC 5 7SJ82 (CP100) (All versions < V8.89), SIPROTEC 5 7SJ82 (CP150) (All versions < V9.40), SIPROTEC 5 7SJ85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SJ86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SK82 (CP100) (All versions < V8.89), SIPROTEC 5 7SK82 (CP150) (All versions < V9.40), SIPROTEC 5 7SK85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SL82 (CP100) (All versions < V8.90), SIPROTEC 5 7SL82 (CP150) (All versions < V9.40), SIPROTEC 5 7SL86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SL87 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SS85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7ST85 (CP300) (All versions >= V7.80 < V9.64), SIPROTEC 5 7ST86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SX82 (CP150) (All versions < V9.40), SIPROTEC 5 7SX85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7UM85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7UT82 (CP100) (All versions < V8.90), SIPROTEC 5 7UT82 (CP150) (All versions < V9.40), SIPROTEC 5 7UT85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7UT86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7UT87 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7VE85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7VK87 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7VU85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions < V9.40 installed on CP150 and CP300 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 < V9.40 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 < V9.40), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V9.40). Affected devices lack proper validation of http request parameters of the hosted web service.
An unauthenticated remote attacker could send specially crafted packets that could cause denial of service condition of the target device.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIPROTEC 5 6MD85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 6MD86 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 6MD89 (CP300) | V7.80 – < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 6MU85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7KE85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SA82 (CP100) | < V8.90 | V8.90 |
| Siemens | SIPROTEC 5 7SA82 (CP150) | < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SA86 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SA87 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SD82 (CP100) | < V8.90 | V8.90 |
| Siemens | SIPROTEC 5 7SD82 (CP150) | < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SD86 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SD87 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SJ81 (CP100) | < V8.89 | V8.89 |
| Siemens | SIPROTEC 5 7SJ81 (CP150) | < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SJ82 (CP100) | < V8.89 | V8.89 |
| Siemens | SIPROTEC 5 7SJ82 (CP150) | < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SJ85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SJ86 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SK82 (CP100) | < V8.89 | V8.89 |
| Siemens | SIPROTEC 5 7SK82 (CP150) | < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SK85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SL82 (CP100) | < V8.90 | V8.90 |
| Siemens | SIPROTEC 5 7SL82 (CP150) | < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SL86 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SL87 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SS85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7ST85 (CP300) | V7.80 – < V9.64 | V9.64 |
| Siemens | SIPROTEC 5 7ST86 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SX82 (CP150) | < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7SX85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7UM85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7UT82 (CP100) | < V8.90 | V8.90 |
| Siemens | SIPROTEC 5 7UT82 (CP150) | < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7UT85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7UT86 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7UT87 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7VE85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7VK87 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 7VU85 (CP300) | V7.80 – < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) | < V9.40, < V8.89 | V9.40 |
| Siemens | SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) | < V9.40, < V8.89 | V9.40 |
| Siemens | SIPROTEC 5 Communication Module ETH-BD-2FO | < V9.40 | V9.40 |
| Siemens | SIPROTEC 5 Compact 7SX800 (CP050) | < V9.40 | V9.40 |
Advisories 3
- ICSA-23-103-06 Siemens SIPROTEC 5 Devices CISA ICS & IT advisories · Nov 11, 2025
- SSA-322980 SSA-322980: Denial of Service Vulnerability in SIPROTEC 5 Devices Siemens ProductCERT · Nov 11, 2025
- WID-SEC-2023-0897 Siemens SIPROTEC 5 Geräte: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Apr 10, 2023