CVE-2025-40742

Medium

Description

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductSIPROTEC 5 6MD84 (CP300)
PublishedJul 8, 2025
First seenJul 8, 2025
Weakness typeCWE-598CWE-598

How to fix

Update
  • Siemens SIPROTEC 5 6MD84 (CP300)V11.0 or later
  • Siemens SIPROTEC 5 6MD85 (CP300)V11.0 or later
  • Siemens SIPROTEC 5 6MD86 (CP300)V11.0 or later
  • Siemens SIPROTEC 5 6MD89 (CP300)V11.0 or later
  • Siemens SIPROTEC 5 6MD89 (CP300) V9.6xV11.0 or later
  • Siemens SIPROTEC 5 6MU85 (CP300)V11.0 or later
  • Siemens SIPROTEC 5 7KE85 (CP300)V11.0 or later
  • Siemens SIPROTEC 5 7SA82 (CP150)V11.0 or later
  • Siemens SIPROTEC 5 7SA86 (CP300)V11.0 or later
  • Siemens SIPROTEC 5 7SA87 (CP300)V11.0 or later
  • Siemens SIPROTEC 5 7SD82 (CP150)V11.0 or later
  • Siemens SIPROTEC 5 7SD86 (CP300)V11.0 or later

Affected products

ProductAffected versionsFixed in
Siemens SIPROTEC 5 6MD84 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 6MD85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 6MD86 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 6MD89 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 6MD89 (CP300) V9.6xv < V11.0V11.0
Siemens SIPROTEC 5 6MU85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7KE85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SA82 (CP100)0—
Siemens SIPROTEC 5 7SA82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SA86 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SA87 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SD82 (CP100)0—
Siemens SIPROTEC 5 7SD82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SD86 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SD87 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SJ81 (CP100)0—
Siemens SIPROTEC 5 7SJ81 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SJ82 (CP100)0—
Siemens SIPROTEC 5 7SJ82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SJ85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SJ86 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SK82 (CP100)0—
Siemens SIPROTEC 5 7SK82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SK85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SL82 (CP100)0—
Siemens SIPROTEC 5 7SL82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SL86 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SL87 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SS85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7ST85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7ST86 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SX82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SX85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7SY82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7UM85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7UT82 (CP100)0—
Siemens SIPROTEC 5 7UT82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7UT85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7UT86 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7UT87 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7VE85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7VK87 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 7VU85 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 Compact 7SX800 (CP050)v < V11.0V11.0

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