Vulnerability · Published Feb 16, 2021 · Assigned by mitre
CVE-2020-29457
Medium 4.4
In plain English
A medium-severity security flaw in the opcfoundation.netstandard.opc.ua.core package (NuGet). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.4Medium
Exploit odds (30 days)0.3%top 75.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 could allow a rogue application to establish a secure connection.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | opcfoundation.netstandard.opc.ua.core | 1.4.365.10 | GHSA-mjww-934m-h4jw |
Affected products (as reported)
References
- https://github.com/OPCFoundation/UA-.NETStandard x_refsource_MISC
- https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua/ x_refsource_MISC
- https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2020-29457.pdf x_refsource_CONFIRM