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, 2018
7.8
HIGHCVSS 3.0
EPSS 0.56%
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
-
- Version TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, TwinCAT 3.1StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Ics-Cert | Beckhoff TwinCAT PLC products | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.56% (0.00557) | 44.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.56% (0.00557) | 41.84th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.17% (0.00173) | 36.24th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00073) | 33.65th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.07% (0.00073) | 31.67th | v3 (v2023.03.01) |
| Mar 17, 2023 | 0.07% (0.00073) | 29.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00051) | 17.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.40% (0.01404) | 72.03th | v2 (v2022.01.01) |
| Dec 18, 2022 | 1.40% (0.01404) | 71.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.36% (0.01365) | 69.53th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.36% (0.01365) | 45.07th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.82% (0.01819) | 35.19th | v1 |
| Jan 6, 2022 | 1.82% (0.01819) | 34.49th | v1 |
| Sep 1, 2021 | 1.82% (0.01819) | 74.60th | v1 |
| Apr 14, 2021 | 1.82% (0.01819) | 0.00th | v1 |
References (4)
- http://www.securityfocus.com/bid/103487 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdf x_refsource_CONFIRMVendor Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02 x_refsource_MISCMitigationThird Party AdvisoryUS Government Resource
- https://srcincite.io/advisories/src-2018-0007/ x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103487 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdf | x_refsource_CONFIRMVendor Advisory | |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02 | x_refsource_MISCMitigationThird Party AdvisoryUS Government Resource | |
| https://srcincite.io/advisories/src-2018-0007/ | x_refsource_MISC |
Change history (0)
No recorded changes yet.