CVE-2019-5636
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior).
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Beckhoff | TwinCAT 2 | 2304 <= 2304 | affected |
| Beckhoff | TwinCAT 3.1 | 4204.0 <= 4204.0 | affected |
Weaknesses
- CWE-404: CWE-404 Improper Resource Shutdown or Release
ADP Enrichment
CVE Program Container
Additional References
- https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-004.pdf
- https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/
References
- https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-004.pdf
- https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/
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