VULNERABILITY INTELLIGENCE

CVE-2018-7502

CVSS score7.8 HIGH
EPSS probability0.56%
CISA KEVNot currently listed
Published2018-03-23
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-20: Improper Input Validation
  • CWE-822: Untrusted Pointer Dereference

Primary references