A vulnerability exists in RTU500 IEC 60870-4-104 controlled station functionality, that allows an authenticated and authorized attacker to perform a CMU restart. The vulnerability can be triggered if certificates are updated while in use on active connections. The affected CMU will automatically recover itself if an attacker successfully exploits this vulnerability.
Existe una vulnerabilidad en la funcionalidad de la estación controlada RTU500 IEC 60870-4-104 que permite a un atacante autenticado y autorizado reiniciar la CMU. Esta vulnerabilidad puede activarse si los certificados se actualizan mientras se utilizan en conexiones activas. La CMU afectada se recuperará automáticamente si un atacante explota esta vulnerabilidad.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | NETWORK |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | HIGH |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | NONE |
| Integrity Impact | NONE |
| Availability Impact | HIGH |
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:A/V:X/RE:X/U:X
| Attack Vector | NETWORK |
|---|---|
| Attack Complexity | LOW |
| Attack Requirements | NONE |
| Privileges Required | HIGH |
| User Interaction | NONE |
| Vulnerability Confidentiality | NONE |
| Vulnerability Integrity | NONE |
| Vulnerability Availability | HIGH |
| Subsequent Confidentiality | NONE |
| Subsequent Integrity | NONE |
| Subsequent Availability | NONE |
Source: [email protected]
Type: Secondary
| Source | Type | Description |
|---|---|---|
| [email protected] | Secondary |
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CWE-476
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