CVE-2017-16718

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9
Description
Beckhoff TwinCAT 3 supports communication over ADS. ADS is a protocol for industrial automation in protected environments. This protocol uses user configured routes, that can be edited remotely via ADS. This special command supports encrypted authentication with username/password. The encryption uses a fixed key, that could be extracted by an attacker. Precondition of the exploitation of this weakness is network access at the moment a route is added.
Overview
  • CVE ID
  • CVE-2017-16718
  • Assigner
  • ics-cert@hq.dhs.gov
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-06-27T19:29:00
  • Last Modified Date
  • 2019-10-09T23:25:14
Weakness Enumerations
CWE URL
CWE-327 http://cwe.mitre.org/data/definitions/327.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:beckhoff:twincat:3.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2017-002.pdf Mitigation Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-16718
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16718
History
Created Old Value New Value Data Type Notes
2022-05-10 17:10:24 Added to TrackCVE
2022-12-03 08:46:49 2018-06-27T19:29Z 2018-06-27T19:29:00 CVE Published Date updated
2022-12-03 08:46:49 2019-10-09T23:25:14 CVE Modified Date updated
2022-12-03 08:46:49 Modified Vulnerability Status updated