7.5
CWE
843
Advisory Published
Updated

CVE-2021-40872

First published: Wed Nov 10 2021(Updated: )

An issue was discovered in Softing Industrial Automation uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) or login as an anonymous user (bypassing security checks) by sending crafted messages to a OPC/UA server. The server process may crash unexpectedly because of an invalid type cast, and must be restarted.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Softing Smartlink Hw-dp<=1.10
Softing uaToolkit Embedded<1.40

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Frequently Asked Questions

  • What is CVE-2021-40872?

    CVE-2021-40872 is a vulnerability discovered in Softing Industrial Automation uaToolkit Embedded before version 1.40.

  • What is the severity of CVE-2021-40872?

    CVE-2021-40872 has a severity rating of 7.5, which is considered high.

  • How does CVE-2021-40872 affect Softing Smartlink Hw-dp?

    CVE-2021-40872 affects Softing Smartlink Hw-dp versions up to and including 1.10.

  • How does CVE-2021-40872 affect Softing uaToolkit Embedded?

    CVE-2021-40872 affects Softing uaToolkit Embedded versions up to but not including 1.40.

  • How can I fix CVE-2021-40872?

    To fix CVE-2021-40872, users should upgrade Softing uaToolkit Embedded to version 1.40 or later.

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