CVEvulnerability

CVE-2017-16718

5.9 MEDIUM Published 2018-06-27 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-06-27
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.9 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-327, CWE-522

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.

Affected configurations

• beckhoff twincat 3.0

Related

Weakness · CWE (2)

  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm weakness
  • CWE-522 Insufficiently Protected Credentials weakness

References