Improper input validation in Beckhoff Twincat
CVE-2018-7502
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 vulnerabil…
EPSS: 0.006 (42.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Beckhoff Twincat — versions 2.11, 3.1
- Beckhoff Twincat_c\+\+ — versions 3.1
- Ics-cert Beckhoff Twincat Plc Products — versions TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, TwinCAT 3.1
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (x_refsource_MISC)
- ics-cert@hq.dhs.gov (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC, Mitigation)
- ics-cert@hq.dhs.gov (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-7502?
- CVE-2018-7502 is a high-severity vulnerability in Beckhoff Twincat, classified under Untrusted Pointer Dereference. CVSS score: 7.8/10. Published 2018-03-23.
- How severe is CVE-2018-7502?
- High severity. CVSS v3 base score is 7.8 out of 10.