Strix
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CVE-2019-19135

HIGHCVSS 7.4/10EPSS 1.04%

Last modified

CVE-2019-19135 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.4/10

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

EPSS Probability
1.04%

59.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpcfoundationNetstandard.Opc.Ua< 1.4.359.31
OpcfoundationUa-.Netstandard1.4.357.28

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-19135?
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.
How severe is CVE-2019-19135?
CVE-2019-19135 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19135?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19135?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST