A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00098.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Siemens SIMATIC CP 1542SP-1 unknown
Version Status Constraints
0 affected
< V2.4.24
Siemens SIMATIC CP 1542SP-1 IRC unknown
Version Status Constraints
0 affected
< V2.4.24
Siemens SIMATIC CP 1543SP-1 unknown
Version Status Constraints
0 affected
< V2.4.24
Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL unknown
Version Status Constraints
0 affected
< V2.4.24
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC unknown
Version Status Constraints
0 affected
< V2.4.24
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL unknown
Version Status Constraints
0 affected
< V2.4.24

No data.

No data.

Vendor Product Confidence Versions
Siemens Simatic Cp 1542sp-1 — —
Siemens Simatic Cp 1542sp-1 Irc — —
Siemens Simatic Cp 1543sp-1 — —
Siemens Siplus Et 200sp Cp 1542sp-1 Irc Tx Rail — —
Siemens Siplus Et 200sp Cp 1543sp-1 Isec — —
Siemens Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail — —

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Subscriptions

Vendors Products
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Simatic Cp 1543sp-1 Subscribe
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Siplus Et 200sp Cp 1543sp-1 Isec Subscribe
Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail Subscribe

Tracking

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://cert-portal.siemens.com/productcert/html/ssa-486936.html cve-icon cve-icon
History

Mon, 20 Oct 2025 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Siemens
Siemens simatic Cp 1542sp-1
Siemens simatic Cp 1542sp-1 Irc
Siemens simatic Cp 1543sp-1
Siemens siplus Et 200sp Cp 1542sp-1 Irc Tx Rail
Siemens siplus Et 200sp Cp 1543sp-1 Isec
Siemens siplus Et 200sp Cp 1543sp-1 Isec Tx Rail
Vendors & Products Siemens
Siemens simatic Cp 1542sp-1
Siemens simatic Cp 1542sp-1 Irc
Siemens simatic Cp 1543sp-1
Siemens siplus Et 200sp Cp 1542sp-1 Irc Tx Rail
Siemens siplus Et 200sp Cp 1543sp-1 Isec
Siemens siplus Et 200sp Cp 1543sp-1 Isec Tx Rail

Tue, 14 Oct 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 14 Oct 2025 09:30:00 +0000

Type Values Removed Values Added
Description A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data.
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published:

Updated: 2025-10-14T18:59:41.570Z

Reserved: 2025-04-16T08:39:30.033Z

Link: CVE-2025-40771

cve-icon Vulnrichment

Updated: 2025-10-14T18:59:38.190Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-10-14T10:15:38.297

Modified: 2025-10-14T19:36:29.240

Link: CVE-2025-40771

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-20T15:52:38Z

Weaknesses