CVE-2019-19135
HIGH
7.4
CVSS Score
Published: March 16, 2020 at 03:47 PM UTC
Updated: June 17, 2026 at 02:26 AM UTC
2 products affected across 1 vendorUa .netstandardNetstandard.opc.ua
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Severity
HIGH7.4
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.4.359.31
Affected range stops below 1.4.359.31, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2019-19135.pdfx_refsource_MISCVendor Advisory
Source: [email protected]
https://opcfoundation.org/security-bulletins/CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-330
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