CVE-2019-5637 - When Beckhoff TwinCAT is configured to use the Profinet driver, a denial of service of the controlle

CVE-2019-5637

Summary

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).

References

Vulnerable Configurations

cpe:2.3:o:beckhoff:twincat:3.1.4022.30:*:*:*:*:*:*:*
cpe:2.3:o:beckhoff:twincat:3.1.4022.30:*:*:*:*:*:*:*
cpe:2.3:h:beckhoff:twincat_cx2030:-:*:*:*:*:*:*:*
cpe:2.3:h:beckhoff:twincat_cx2030:-:*:*:*:*:*:*:*
cpe:2.3:h:beckhoff:twincat_cx5140:-:*:*:*:*:*:*:*
cpe:2.3:h:beckhoff:twincat_cx5140:-:*:*:*:*:*:*:*
cpe:2.3:o:beckhoff:twincat:3.1.4022.29:*:*:*:*:*:*:*
cpe:2.3:o:beckhoff:twincat:3.1.4022.29:*:*:*:*:*:*:*

CVSS

Base:	5.0 (as of 04-02-2020 - 23:15)
Impact:
Exploitability:

CWE

CWE-369

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

AV:N/AC:L/Au:N/C:N/I:N/A:P

refmap via4

confirm	https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-007.pdf
misc	https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/

Last major update

04-02-2020 - 23:15

Published

21-11-2019 - 20:15

Last modified

04-02-2020 - 23:15