CVE-2024-42512

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.

Published: Feb 10, 2025Updated: Sep 29, 2025 Sources: CVE List NVD GHSA BDU csafCWE-208

8.6HIGH

Description

The products listed below contain two authentication bypass vulnerabilities that could allow an attacker to gain access to the data managed by the server. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends countermeasures for products where fixes are not, or not yet available.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:LIntegrity

Low

A:LAvailability

Low

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Weaknesses

CWE-208

Affected Products

OPC Foundation

oss-projectaka opc ua

OPC UA .NET StandardOn-prem

ICS / OT / IoT / industrial-network

NuGet

package-ecosystem

OPCFoundation.NetStandard.Opc.Ua.Core

OSS Libraries

opcfoundation

oss-project

ua .net standard stackMixed

OSS Libraries / generic-library

and 1 more affected products View all →

Exploitability

Official Patch Available

Is your org exposed to CVE-2024-42512?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

References

https://nvd.nist.gov/vuln/detail/CVE-2024-42512

nvd.nist.gov

https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2024-42512.pdf

files.opcfoundation.org

https://cert-portal.siemens.com/productcert/csaf/ssa-858251.json

cert-portal.siemens.com

and 13 more references View all →

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