5.3

CVE-2024-42513: opcfoundation ua_.net_standard_stack

CVSS: 5.3v3.1MediumModified
AliasesGHSA-4rcc-7pg7-f57f
Published 10-02-2025Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2024-42513 is a medium (CVSS 5.3) vulnerability in opcfoundation ua_.net_standard_stack. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.3% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.58%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-02-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

Vulnerability in the OPC UA .NET Standard Stack before 1.5.374.158 allows an unauthorized attacker to bypass application authentication when using HTTPS endpoints.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.58%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

+0.02 pp

From 0.55% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.58%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

NuGet1 product
  • OPCFoundation.NetStandard.Opc.Ua.Bindings.Https< 1.5.374.158
Opcfoundation1 product

2 vendors · 2 products

References

6 links