CVEvulnerability
CVE-2019-5637
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-11-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-369
Description
When Beckhoff TwinCAT is configured to use the Profinet driver, a denial of service of the controller could be reached by sending a malformed UDP packet to the device. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior).
Affected configurations
• beckhoff twincat 3.1.4022.30
• beckhoff twincat 3.1.4022.29
Related
Weakness · CWE (1)
- CWE-369 Divide By Zero weakness
References
- https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/ Exploit, Third Party Advisory
- https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-007.pdf Mitigation, Vendor Advisory
- https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/ Exploit, Third Party Advisory
- https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-007.pdf Mitigation, Vendor Advisory