CVE-2018-7502

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-03-23 · updated 2026-06-17
Weakness: CWE-822

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.

Affected products

ICS-CERT Beckhoff TwinCAT: 2.11, 3.1
Beckhoff Twincat C++: 3.1

References

http://www.securityfocus.com/bid/103487
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02
https://srcincite.io/advisories/src-2018-0007/
http://www.securityfocus.com/bid/103487
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02
https://srcincite.io/advisories/src-2018-0007/

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