Vulnerability · Published Jul 8, 2025 · Assigned by siemens

CVE-2025-40742

Medium 5.3

In plain English

A medium-severity security flaw in SIPROTEC 5 6MD84 (CP300) from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 74.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Siemens SIPROTEC 5 6MD84 (CP300) 0 – before V11.0
Siemens SIPROTEC 5 6MD85 (CP200) see references
Siemens SIPROTEC 5 6MD85 (CP300) 0 – before V11.0
Siemens SIPROTEC 5 6MD86 (CP200) see references
Siemens SIPROTEC 5 6MD86 (CP300) 0 – before V11.0
Siemens SIPROTEC 5 6MD89 (CP300) 0 – before V11.0
Siemens SIPROTEC 5 6MD89 (CP300) V9.6x 0 – before V11.0
Siemens SIPROTEC 5 6MU85 (CP300) 0 – before V11.0
Siemens SIPROTEC 5 7KE85 (CP200) see references
Siemens SIPROTEC 5 7KE85 (CP300) 0 – before V11.0
Siemens SIPROTEC 5 7SA82 (CP100) 0 – before *
Siemens SIPROTEC 5 7SA82 (CP150) 0 – before V11.0
Siemens SIPROTEC 5 7SA84 (CP200) see references
Siemens SIPROTEC 5 7SA86 (CP200) see references
Siemens SIPROTEC 5 7SA86 (CP300) 0 – before V11.0
Siemens SIPROTEC 5 7SA87 (CP200) see references
Siemens SIPROTEC 5 7SA87 (CP300) 0 – before V11.0
Siemens SIPROTEC 5 7SD82 (CP100) 0 – before *
Siemens SIPROTEC 5 7SD82 (CP150) 0 – before V11.0
Siemens SIPROTEC 5 7SD84 (CP200) see references
Siemens SIPROTEC 5 7SD86 (CP200) see references
Siemens SIPROTEC 5 7SD86 (CP300) 0 – before V11.0
Siemens SIPROTEC 5 7SD87 (CP200) see references
Siemens SIPROTEC 5 7SD87 (CP300) 0 – before V11.0
Siemens SIPROTEC 5 7SJ81 (CP100) 0 – before *
Siemens SIPROTEC 5 7SJ81 (CP150) 0 – before V11.0
Siemens SIPROTEC 5 7SJ82 (CP100) 0 – before *
Siemens SIPROTEC 5 7SJ82 (CP150) 0 – before V11.0
Siemens SIPROTEC 5 7SJ85 (CP200) see references
Siemens SIPROTEC 5 7SJ85 (CP300) 0 – before V11.0

Weakness: CWE-598 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

References