7.5

CVE-2019-5637

Exploit

Beckhoff TwinCAT Profinet Driver Divide-by-Zero Denial of Service

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).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
BeckhoffTwincat Version3.1.4022.30
   BeckhoffTwincat Cx2030 Version-
   BeckhoffTwincat Cx5140 Version-
BeckhoffTwincat Version3.1.4022.29
   BeckhoffTwincat Cx5140 Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.43% 0.695
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
cve@rapid7.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-369 Divide By Zero

The product divides a value by zero.

https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/
Third Party Advisory
Exploit
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-007.pdf
Vendor Advisory
Mitigation