CVE-2019-5637
Beckhoff TwinCAT UDP Denial of Service
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).
INFO
Published Date :
Nov. 21, 2019, 8:15 p.m.
Last Modified :
Feb. 4, 2020, 11:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-5637.
| URL | Resource |
|---|---|
| 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-5637 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-5637 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 11, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 Rapid7, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/ No Types Assigned https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/ Exploit, Third Party Advisory Changed Reference Type https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-007.pdf No Types Assigned https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-007.pdf Mitigation, Vendor Advisory Added CWE NIST CWE-369 Added CPE Configuration AND OR *cpe:2.3:o:beckhoff:twincat:3.1.4022.30:*:*:*:*:*:*:* OR cpe:2.3:h:beckhoff:twincat_cx2030:-:*:*:*:*:*:*:* cpe:2.3:h:beckhoff:twincat_cx5140:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:beckhoff:twincat:3.1.4022.29:*:*:*:*:*:*:* OR cpe:2.3:h:beckhoff:twincat_cx5140:-:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Dec. 11, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/ No Types Assigned https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/ Exploit, Third Party Advisory Changed Reference Type https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-007.pdf No Types Assigned https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-007.pdf Mitigation, Vendor Advisory Added CWE NIST CWE-369 Added CPE Configuration AND OR *cpe:2.3:o:beckhoff:twincat:3.1.4022.30:*:*:*:*:*:*:* OR cpe:2.3:h:beckhoff:twincat_cx2030:-:*:*:*:*:*:*:* cpe:2.3:h:beckhoff:twincat_cx5140:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:beckhoff:twincat:3.1.4022.29:*:*:*:*:*:*:* OR cpe:2.3:h:beckhoff:twincat_cx5140:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-5637 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-5637
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.00%
score
0.44346
percentile