Vulnerability in Opcfoundation Ua-.netstandard
CVE-2020-29457
A Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 could allow a rogue application to establish a secure connection.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/OPCFoundation/UA-.NETStandard (Third Party Advisory)
- www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua/ (Product, Third Party Advisory)
- opcfoundation.org/SecurityBulletins/OPC Foundation Security Bulletin CVE-2020-2… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-29457?
- CVE-2020-29457 is a medium-severity vulnerability in Opcfoundation Ua-.netstandard, classified under Improper Certificate Validation. CVSS score: 4.4/10. Published 2021-02-16.
- How severe is CVE-2020-29457?
- Medium severity. CVSS v3 base score is 4.4 out of 10.