CVE-2019-5637
Beckhoff TwinCAT Profinet Driver Divide-by-Zero Denial of Service
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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).
Cuando Beckhoff TwinCAT está configurado para usar el controlador Profinet, se puede llegar a una denegación de servicio del controlador enviando un paquete UDP con formato incorrecto al dispositivo. Este problema afecta a TwinCAT 2 versión 2304 (y anterior) y TwinCAT 3.1 versión 4204.0 (y anterior).
*Credits:
This issue was discovered, and reported to Rapid7, by Andreas Galauner at Rapid7. It is being disclosed in accordance with Rapid7's vulnerability disclosure policy (https://www.rapid7.com/disclosure/).
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2019-01-07 CVE Reserved
- 2019-11-21 CVE Published
- 2024-09-17 CVE Updated
- 2024-09-17 First Exploit
- 2024-12-17 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-369: Divide By Zero
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed | 2024-09-17 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Beckhoff Search vendor "Beckhoff" | Twincat Search vendor "Beckhoff" for product "Twincat" | 3.1.4022.30 Search vendor "Beckhoff" for product "Twincat" and version "3.1.4022.30" | - |
Affected
| in | Beckhoff Search vendor "Beckhoff" | Twincat Cx2030 Search vendor "Beckhoff" for product "Twincat Cx2030" | - | - |
Safe
|
| Beckhoff Search vendor "Beckhoff" | Twincat Search vendor "Beckhoff" for product "Twincat" | 3.1.4022.30 Search vendor "Beckhoff" for product "Twincat" and version "3.1.4022.30" | - |
Affected
| in | Beckhoff Search vendor "Beckhoff" | Twincat Cx5140 Search vendor "Beckhoff" for product "Twincat Cx5140" | - | - |
Safe
|
| Beckhoff Search vendor "Beckhoff" | Twincat Search vendor "Beckhoff" for product "Twincat" | 3.1.4022.29 Search vendor "Beckhoff" for product "Twincat" and version "3.1.4022.29" | - |
Affected
| in | Beckhoff Search vendor "Beckhoff" | Twincat Cx5140 Search vendor "Beckhoff" for product "Twincat Cx5140" | - | - |
Safe
|