CVE-2019-19135

EUVD-2020-0355
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.4 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 49%
Affected Products (NVD)
VendorProductVersion
opcfoundationnetstandard.opc.ua
𝑥
< 1.4.359.31
opcfoundationua-.netstandard
1.4.357.28
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2019-19135.pdf
https://opcfoundation.org/security-bulletins/
https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2019-19135.pdf
https://opcfoundation.org/security-bulletins/