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CVE-2018-7502

7.8 · HIGH

Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values.

Published Mar 23, 2018CWE-822EPSS 0.56%

Overview

CVE-2018-7502 is a high-severity vulnerability. It was published on March 23, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/103487Refdownload.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdfRefics-cert.us-cert.gov/advisories/ICSA-18-081-02Refsrcincite.io/advisories/src-2018-0007/Refwww.securityfocus.com/bid/103487Refdownload.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdfRefics-cert.us-cert.gov/advisories/ICSA-18-081-02Refsrcincite.io/advisories/src-2018-0007/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-7502?

CVE-2018-7502 is a high-severity vulnerability. It was published on March 23, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2018-7502?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-7502?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-7502?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-7502 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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