Unauthenticated Remote Access Vulnerability in CODESYS OPC UA Server by CODESYS GmbH
CVE-2025-1468
7.5HIGH
What is CVE-2025-1468?
An unauthenticated remote attacker can exploit a vulnerability in the CODESYS OPC UA Server when the non-default Basic128Rsa15 security policy is in use, potentially allowing them to access sensitive information including authentication credentials. This exposure poses a significant risk to the integrity and confidentiality of the system's operations.

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Affected Version(s)
CODESYS Runtime Toolkit 0 < 3.5.21.0
References
CVSS V3.1
Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved
Credit
Tom Tervoort from Secura B.V.
