OPC UA .NET Standard Stack prior 1.5.374.158 Basic128Rsa15 Security Policy improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in OPC UA .NET Standard Stack. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Basic128Rsa15 Security Policy. This manipulation causes improper authentication. This vulnerability is handled as CVE-2024-42512. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in OPC UA .NET Standard Stack and classified as critical. Affected by this vulnerability is an unknown function of the component Basic128Rsa15 Security Policy. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at files.opcfoundation.org. This vulnerability is known as CVE-2024-42512 since 08/02/2024. The exploitation appears to be difficult. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.5.374.158 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: UA .NET Standard Stack 1.5.374.158

Timelineinfo

08/02/2024 🔍
02/10/2025 +192 days 🔍
02/10/2025 +0 days 🔍
09/30/2025 +231 days 🔍

Sourcesinfo

Advisory: files.opcfoundation.org
Status: Confirmed

CVE: CVE-2024-42512 (🔍)
GCVE (CVE): GCVE-0-2024-42512
GCVE (VulDB): GCVE-100-295141

Entryinfo

Created: 02/10/2025 19:49
Updated: 09/30/2025 00:18
Changes: 02/10/2025 19:49 (54), 09/30/2025 00:18 (1)
Complete: 🔍
Cache ID: 216::103

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