7.5
CWE
203
Advisory Published
Updated

CVE-2025-1468: CODESYS Control V3 - OPC UA Server Authentication bypass

First published: Tue Mar 18 2025(Updated: )

An unauthenticated remote attacker can gain access to sensitive information including authentication information when using CODESYS OPC UA Server with the non-default Basic128Rsa15 security policy.

Credit: info@cert.vde.com

Affected SoftwareAffected VersionHow to fix
CODESYS OPC UA Server
CODESYS Control V3

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Frequently Asked Questions

  • What is the severity of CVE-2025-1468?

    CVE-2025-1468 is classified as a high severity vulnerability due to the potential for unauthorized access to sensitive information.

  • How do I fix CVE-2025-1468?

    To mitigate CVE-2025-1468, it is recommended to disable the non-default Basic128Rsa15 security policy in the CODESYS OPC UA Server settings.

  • Who is affected by CVE-2025-1468?

    CVE-2025-1468 affects users of CODESYS OPC UA Server and CODESYS Control V3 that utilize the vulnerable security policy.

  • Can CVE-2025-1468 be exploited remotely?

    Yes, CVE-2025-1468 can be exploited by unauthenticated remote attackers to access sensitive information.

  • What type of information can be accessed due to CVE-2025-1468?

    CVE-2025-1468 allows attackers to gain access to sensitive information, including authentication credentials.

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