CVE-2019-5637

CVSS V2 Medium 5 CVSS V3 High 7.5
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).
Overview
  • CVE ID
  • CVE-2019-5637
  • Assigner
  • cve@rapid7.con
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-11-21T20:15:15
  • Last Modified Date
  • 2020-02-04T23:15:10
Weakness Enumerations
CWE URL
CWE-369 http://cwe.mitre.org/data/definitions/369.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:beckhoff:twincat:3.1.4022.30:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:beckhoff:twincat_cx2030:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:beckhoff:twincat_cx5140:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:beckhoff:twincat:3.1.4022.29:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:beckhoff:twincat_cx5140:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-5637
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5637
History
Created Old Value New Value Data Type Notes
2022-05-10 16:51:05 Added to TrackCVE
2022-12-04 06:44:39 cve@rapid7.com cve@rapid7.con CVE Assigner updated
2022-12-04 06:44:39 2019-11-21T20:15Z 2019-11-21T20:15:15 CVE Published Date updated
2022-12-04 06:44:39 2020-02-04T23:15:10 CVE Modified Date updated
2022-12-04 06:44:39 Modified Vulnerability Status updated