CVE-2018-7502

highpriority · track · 31EPSS 0.006 · 46 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.56% (46th) EPSS

CVSS 7.2 · high

Is it mine?

13 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationTwinCATcisa_csaf_ot
Beckhoff recommends users update to the newest version and recompile Matlab modules after updating.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.07.8highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.07.8highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.07.1highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20USCWE-822USCWE-822US

affected products (13)

Products and version ranges known to be affected.

TwinCAT: 2.11 R3 2259 or priorall versionscisa_csaf_otUS
TwinCAT: 3.1 Build 4022.4 or priorall versionscisa_csaf_otUS
TwinCAT: 3.1 C++ / Matlab (TC1210/TC1220/TC1300/TC1320)all versionscisa_csaf_otUS
Beckhoff TwinCAT≤ 2.11 R3 2259cisa_csaf_otUS
Beckhoff TwinCAT≤ 3.1 Build 4022.4cisa_csaf_otUS
Beckhoff TwinCAT≤ 3.1 C++ / Matlab (TC1210/TC1220/TC1300/TC1320)cisa_csaf_otUS
ICS-CERT Beckhoff TwinCAT PLC products≤ TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, TwinCAT 3.1enisa_euvdEU
Beckhoff Automation GmbH & Co. KG TwinCAT≤ 3.1 C++/ Matlab (TC1210/TC1220/TC1300/TC1320)fstec_bduRU
Beckhoff Automation GmbH & Co. KG TwinCAT2.11 R3 → 2.11 R3 2259fstec_bduRU
Beckhoff Automation GmbH & Co. KG TwinCAT3.1 Build 4022 → 3.1 Build 4022.4fstec_bduRU
beckhoff twincat= 2.11nvdUScpe:2.3:a:beckhoff:twincat:*:*:*:*:*:*:*:*
beckhoff twincat= 3.1nvdUScpe:2.3:a:beckhoff:twincat:*:*:*:*:*:*:*:*
beckhoff twincat c++= 3.1nvdUScpe:2.3:a:beckhoff:twincat_c\+\+:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-18-081-02Beckhoff TwinCAT2018-03-22icsa · cisa_csaf_otUS
ATTENTION: Low skill level to exploit.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2018-03-23modified 2026-06-17

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references (11)

External citations — patches, advisories, analysis.

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