CVE-2017-16718: Beckhoff TwinCAT 3 supports communication over ADS. ADS is a protocol for industrial automation in protected environments. This protocol uses user configured…

PriorityP431medium5.9CVSS 3.0

AVNACHPRNUINSUCHINAN

EPSS

0.42%

33.9th percentile

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

2 ranges

Vendor	Product	Version range	Fixed in
beckhoff	twincat	—	—
ics-cert	beckhoff_twincat	—	—

CVSS provenance

nvdv3.05.9MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N

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