A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V11.0)…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V11.0), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions < V11.0), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions < V11.0), SIPROTEC 5 6MD89 (CP300) (All versions < V11.0), SIPROTEC 5 6MD89 (CP300) V9.6x (All versions < V11.0), SIPROTEC 5 6MU85 (CP300) (All versions < V11.0), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions < V11.0), SIPROTEC 5 7SA82 (CP100) (All versions), SIPROTEC 5 7SA82 (CP150) (All versions < V11.0), SIPROTEC 5 7SA84 (CP200) (All versions), SIPROTEC 5 7SA86 (CP200) (All versions), SIPROTEC 5 7SA86 (CP300) (All versions < V11.0), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions < V11.0), SIPROTEC 5 7SD82 (CP100) (All versions), SIPROTEC 5 7SD82 (CP150) (All versions < V11.0), SIPROTEC 5 7SD84 (CP200) (All versions), SIPROTEC 5 7SD86 (CP200) (All versions), SIPROTEC 5 7SD86 (CP300) (All versions < V11.0), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions < V11.0), SIPROTEC 5 7SJ81 (CP100) (All versions), SIPROTEC 5 7SJ81 (CP150) (All versions < V11.0), SIPROTEC 5 7SJ82 (CP100) (All versions), SIPROTEC 5 7SJ82 (CP150) (All versions < V11.0), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions < V11.0), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions < V11.0), SIPROTEC 5 7SK82 (CP100) (All versions), SIPROTEC 5 7SK82 (CP150) (All versions < V11.0), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions < V11.0), SIPROTEC 5 7SL82 (CP100) (All versions), SIPROTEC 5 7SL82 (CP150) (All versions < V11.0), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions < V11.0), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions < V11.0), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions < V11.0), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions < V11.0), SIPROTEC 5 7ST86 (CP300) (All versions < V11.0), SIPROTEC 5 7SX82 (CP150) (All versions < V11.0), SIPROTEC 5 7SX85 (CP300) (All versions < V11.0), SIPROTEC 5 7SY82 (CP150) (All versions < V11.0), SIPROTEC 5 7UM85 (CP300) (All versions < V11.0), SIPROTEC 5 7UT82 (CP100) (All versions), SIPROTEC 5 7UT82 (CP150) (All versions < V11.0), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions < V11.0), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions < V11.0), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions < V11.0), SIPROTEC 5 7VE85 (CP300) (All versions < V11.0), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions < V11.0), SIPROTEC 5 7VU85 (CP300) (All versions < V11.0), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V11.0). The affected devices include session identifiers in URL requests for certain functionalities. This could allow an attacker to retrieve sensitive session data from browser history, logs, or other storage mechanisms, potentially leading to unauthorized access.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | SIPROTEC 5 6MD84 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 6MD85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 6MD86 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 6MD89 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 6MD89 (CP300) V9.6x | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 6MU85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7KE85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SA82 (CP100) | all versions | — | No fix listed | CNA |
| Siemens | SIPROTEC 5 7SA82 (CP150) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SA86 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SA87 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SD82 (CP100) | all versions | — | No fix listed | CNA |
| Siemens | SIPROTEC 5 7SD82 (CP150) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SD86 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SD87 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SJ81 (CP100) | all versions | — | No fix listed | CNA |
| Siemens | SIPROTEC 5 7SJ81 (CP150) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SJ82 (CP100) | all versions | — | No fix listed | CNA |
| Siemens | SIPROTEC 5 7SJ82 (CP150) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SJ85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SJ86 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SK82 (CP100) | all versions | — | No fix listed | CNA |
| Siemens | SIPROTEC 5 7SK82 (CP150) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SK85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SL82 (CP100) | all versions | — | No fix listed | CNA |
| Siemens | SIPROTEC 5 7SL82 (CP150) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SL86 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SL87 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SS85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7ST85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7ST86 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SX82 (CP150) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SX85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7SY82 (CP150) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7UM85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7UT82 (CP100) | all versions | — | No fix listed | CNA |
| Siemens | SIPROTEC 5 7UT82 (CP150) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7UT85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7UT86 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7UT87 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7VE85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7VK87 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 7VU85 (CP300) | before V11.0 | V11.0 | Patch available | CNA |
| Siemens | SIPROTEC 5 Compact 7SX800 (CP050) | before V11.0 | V11.0 | Patch available | CNA |
- SIPROTEC 5 6MD84 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 6MD85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 6MD86 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 6MD89 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 6MD89 (CP300) V9.6x VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 6MU85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7KE85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SA82 (CP100) VendorSiemens Affected all versions Fixed in — No fix listed CNA
- SIPROTEC 5 7SA82 (CP150) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SA86 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SA87 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SD82 (CP100) VendorSiemens Affected all versions Fixed in — No fix listed CNA
- SIPROTEC 5 7SD82 (CP150) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SD86 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SD87 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SJ81 (CP100) VendorSiemens Affected all versions Fixed in — No fix listed CNA
- SIPROTEC 5 7SJ81 (CP150) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SJ82 (CP100) VendorSiemens Affected all versions Fixed in — No fix listed CNA
- SIPROTEC 5 7SJ82 (CP150) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SJ85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SJ86 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SK82 (CP100) VendorSiemens Affected all versions Fixed in — No fix listed CNA
- SIPROTEC 5 7SK82 (CP150) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SK85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SL82 (CP100) VendorSiemens Affected all versions Fixed in — No fix listed CNA
- SIPROTEC 5 7SL82 (CP150) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SL86 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SL87 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SS85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7ST85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7ST86 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SX82 (CP150) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SX85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7SY82 (CP150) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7UM85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7UT82 (CP100) VendorSiemens Affected all versions Fixed in — No fix listed CNA
- SIPROTEC 5 7UT82 (CP150) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7UT85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7UT86 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7UT87 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7VE85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7VK87 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 7VU85 (CP300) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
- SIPROTEC 5 Compact 7SX800 (CP050) VendorSiemens Affected before V11.0 Fixed in V11.0 Patch available CNA
Remediation
- Fix · CNA SIPROTEC 5 6MD84 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 6MD85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 6MD86 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 6MD89 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 6MD89 (CP300) V9.6x (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 6MU85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7KE85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SA82 (CP150) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SA86 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SA87 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SD82 (CP150) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SD86 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SD87 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SJ81 (CP150) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SJ82 (CP150) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SJ85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SJ86 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SK82 (CP150) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SK85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SL82 (CP150) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SL86 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SL87 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SS85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7ST85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7ST86 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SX82 (CP150) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SX85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7SY82 (CP150) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7UM85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7UT82 (CP150) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7UT85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7UT86 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7UT87 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7VE85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7VK87 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 7VU85 (CP300) (Siemens) Fixed in V11.0
- Fix · CNA SIPROTEC 5 Compact 7SX800 (CP050) (Siemens) Fixed in V11.0
Timeline
- 2026-10-02 Threatist record created from CVE-2025-40742
- 2026-10-03 Alias added: GHSA-2qhm-4w63-5pph
References
More Siemens vulnerabilities
- TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2025-40742 · CVE Program
- CVE-2025-40742 · NVD
- FIRST EPSS
- GHSA-2qhm-4w63-5pph · GitHub Advisory Database · CC BY 4.0
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