CVE-2024-54017

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 >= V7.80 < V11.0), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 6MD89 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 6MU85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SA82 (CP100) (All versions >= V7.80), 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 >= V7.80 < V11.0), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SD82 (CP100) (All versions >= V7.80), 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 >= V7.80 < V11.0), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SJ81 (CP100) (All versions >= V7.80), SIPROTEC 5 7SJ81 (CP150) (All versions < V11.0), SIPROTEC 5 7SJ82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SJ82 (CP150) (All versions < V11.0), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SK82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SK82 (CP150) (All versions < V11.0), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SL82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SL82 (CP150) (All versions < V11.0), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions >= V7.80 < 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 >= V7.80 < V11.0), SIPROTEC 5 7UT82 (CP100) (All versions >= V7.80), SIPROTEC 5 7UT82 (CP150) (All versions < V11.0), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7VE85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7VU85 (CP300) (All versions < V11.0), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V11.0). Affected devices do not use sufficiently random values to create session identifiers. This could allow an unauthenticated remote attacker to brute force a session identifier and gain read access to limited information from the web server without authorization.

SeverityMedium
CVSS5.3
Exploit probability—
ProductSIPROTEC 5 6MD84 (CP300)
PublishedMay 12, 2026
First seenMay 12, 2026
Weakness typeCWE-334CWE-334

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 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
  • Siemens SIPROTEC 5 7SD87 (CP300)V11.0 or later

Affected products

ProductAffected versionsFixed in
Siemens SIPROTEC 5 6MD84 (CP300)v < V11.0V11.0
Siemens SIPROTEC 5 6MD85 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 6MD86 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 6MD89 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 6MU85 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7KE85 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7SA82 (CP100)V7.80—
Siemens SIPROTEC 5 7SA82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SA86 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7SA87 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7SD82 (CP100)V7.80—
Siemens SIPROTEC 5 7SD82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SD86 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7SD87 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7SJ81 (CP100)V7.80—
Siemens SIPROTEC 5 7SJ81 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SJ82 (CP100)V7.80—
Siemens SIPROTEC 5 7SJ82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SJ85 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7SJ86 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7SK82 (CP100)V7.80—
Siemens SIPROTEC 5 7SK82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SK85 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7SL82 (CP100)V7.80—
Siemens SIPROTEC 5 7SL82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7SL86 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7SL87 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7SS85 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7ST85 (CP300)V7.80 ≤ 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)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7UT82 (CP100)V7.80—
Siemens SIPROTEC 5 7UT82 (CP150)v < V11.0V11.0
Siemens SIPROTEC 5 7UT85 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7UT86 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7UT87 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7VE85 (CP300)V7.80 ≤ v < V11.0V11.0
Siemens SIPROTEC 5 7VK87 (CP300)V7.80 ≤ 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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