CVE-2024-42512
First published: Mon Feb 10 2025(Updated: )
## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-h958-fxgg-g7w3. This link is maintained to preserve external references. ## Original Description Vulnerability in the OPC UA .NET Standard Stack before 1.5.374.158 allows an unauthorized attacker to bypass application authentication when the deprecated Basic128Rsa15 security policy is enabled.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| nuget/OPCFoundation.NetStandard.Opc.Ua | <1.5.374.158 | 1.5.374.158 |
| OPC Foundation .NET Standard OPC UA | <1.5.374.158 | |
| nuget/OPCFoundation.NetStandard.Opc.Ua.Core | <1.5.374.158 | 1.5.374.158 |
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Reference Links
- https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2024-42512.pdf
- https://nvd.nist.gov/vuln/detail/CVE-2024-42512
- https://github.com/advisories/GHSA-qv5f-57gw-vx3h (Advisory)
- https://github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-h958-fxgg-g7w3
- https://github.com/advisories/GHSA-h958-fxgg-g7w3 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-42512?
CVE-2024-42512 is classified as a high severity vulnerability that allows unauthorized access under certain conditions.
How do I fix CVE-2024-42512?
To fix CVE-2024-42512, upgrade to the version 1.5.374.158 or later of the OPC UA .NET Standard Stack.
What is the impact of CVE-2024-42512 on affected systems?
The impact of CVE-2024-42512 is that attackers can bypass application authentication when the Basic128Rsa15 security policy is enabled.
Which software versions are vulnerable to CVE-2024-42512?
Versions of OPC Foundation OPC UA .NET Standard Stack prior to 1.5.374.158 are vulnerable to CVE-2024-42512.
Is the Basic128Rsa15 security policy safe to use with CVE-2024-42512?
Using the Basic128Rsa15 security policy is not safe with CVE-2024-42512 as it can allow attackers to bypass authentication.
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