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Security policy Basic256

Plugin details

SeverityMedium
ID10008
CategoryTransport security
CVSS score4.8
CVSS linkhttps://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Synopsis

Server traffic encryption in risk to be broken.

Description

The server supports security policy Basic256. This security policy has been deprecated with the OPC UA Specification, as the hash algorithm SHA1 is not considered secure anymore. An attacker may be able to break the Basic256 traffic encryption.

Solution

Disable the security policy Basic256.

References