CVE-2019-19135 Information

Description

In OPC Foundation OPC UA .NET Standard codebase 1.4.357.28 servers do not create sufficiently random numbers in OPCFoundation.NetStandard.Opc.Ua before 1.4.359.31 which allows man in the middle attackers to reuse encrypted user credentials sent over the network.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Reference

https://opcfoundation.org/security-bulletins/ https://opcfoundation.org/SecurityBulletins/OPC20Foundation20Security20Bulletin20CVE-2019-19135.pdf

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.4