CVE-2019-5637

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).

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	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
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

Configurations

Configuration 1 (hide)

AND

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:-:::::::*

Configuration 2 (hide)

AND

cpe:2.3:o:beckhoff:twincat:3.1.4022.29:*:*:*:*:*:*:*

cpe:2.3:h:beckhoff:twincat_cx5140:-:*:*:*:*:*:*:*

History

21 Nov 2024, 04:45

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

Information

Published : 2019-11-21 20:15

Updated : 2024-11-21 04:45

NVD link : CVE-2019-5637

Mitre link : CVE-2019-5637

CVE.ORG link : CVE-2019-5637

JSON object : View

Products Affected

beckhoff

twincat_cx2030
twincat_cx5140
twincat

CWE

CWE-369

Divide By Zero

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7.5 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

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