CVE-2018-7502

CVSS V2 High 7.2 CVSS V3 High 7.8
Description
Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.
Overview
  • CVE ID
  • CVE-2018-7502
  • Assigner
  • ics-cert@hq.dhs.gov
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-03-23T17:29:00
  • Last Modified Date
  • 2018-05-23T01:29:03
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:beckhoff:twincat:2.11:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:beckhoff:twincat:3.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:beckhoff:twincat_c\+\+:3.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdf Vendor Advisory
http://www.securityfocus.com/bid/103487 Third Party Advisory VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02 Mitigation Third Party Advisory US Government Resource
https://srcincite.io/advisories/src-2018-0007/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7502
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7502
History
Created Old Value New Value Data Type Notes
2022-05-10 18:43:13 Added to TrackCVE
2022-12-03 03:45:32 2018-03-23T17:29Z 2018-03-23T17:29:00 CVE Published Date updated
2022-12-03 03:45:32 2018-05-23T01:29:03 CVE Modified Date updated
2022-12-03 03:45:32 Modified Vulnerability Status updated