Is CVE-2024-42513 in the CISA KEV catalog?

No. CVE-2024-42513 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-42513?

CVE-2024-42513 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2024-42513?

CVE-2024-42513 has an EPSS score of 0.51% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-42513?

Upgrade ua .net standard stack to 1.5.374.158 or later.

CVE & CISA-KEV Catalog

CVE-2024-42513

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-305

How to fix

Remediation Available

ua .net standard stackNVD

Affected:< 1.5.374.158Fixed in:1.5.374.158CVE-2024-42513derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.51%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Vendor Advisory1

files.opcfoundation.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-02.