CVE-2025-40771 (GCVE-0-2025-40771)
Vulnerability from cvelistv5 – Published: 2025-10-14 09:15 – Updated: 2025-10-14 18:59
VLAI
EPSS
VEX
Summary
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.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-14 18:59 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
Impacted products
6 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Siemens | SIMATIC CP 1542SP-1 |
Affected:
0 , < V2.4.24
(custom)
|
guessed | |
| Siemens | SIMATIC CP 1542SP-1 IRC |
Affected:
0 , < V2.4.24
(custom)
|
guessed | |
| Siemens | SIMATIC CP 1543SP-1 |
Affected:
0 , < V2.4.24
(custom)
|
guessed | |
| Siemens | SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL |
Affected:
0 , < V2.4.24
(custom)
|
guessed | |
| Siemens | SIPLUS ET 200SP CP 1543SP-1 ISEC |
Affected:
0 , < V2.4.24
(custom)
|
guessed | |
| Siemens | SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL |
Affected:
0 , < V2.4.24
(custom)
|
guessed |
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{
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{
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"vendor": "Siemens",
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{
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"source": "productcert@siemens.com"
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"value": "A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions \u003c V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions \u003c V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions \u003c V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions \u003c V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions \u003c V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data."
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"value": "Se ha identificado una vulnerabilidad en SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (Todas las versiones anteriores a V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (Todas las versiones anteriores a V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (Todas las versiones anteriores a V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (Todas las versiones anteriores a V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (Todas las versiones anteriores a V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (Todas las versiones anteriores a V2.4.24). Los dispositivos afectados no autentican correctamente las conexiones de configuraci\u00f3n. Esto podr\u00eda permitir a un atacante remoto no autenticado acceder a los datos de configuraci\u00f3n."
}
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"id": "CVE-2025-40771",
"lastModified": "2026-10-23T22:10:00.160",
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"privilegesRequired": "NONE",
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"id": "CVE-2025-40771",
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"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
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"baseSeverity": "CRITICAL",
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"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
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}
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