Is CVE-2020-29457 in the CISA KEV catalog?

No. CVE-2020-29457 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-29457?

CVE-2020-29457 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2020-29457?

CVE-2020-29457 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-29457?

Upgrade ua-.netstandard to 1.4.365.10 or later.

CVE & CISA-KEV Catalog

CVE-2020-29457

MEDIUM

4.4

CVSS v3

NVD

Description

A Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 could allow a rogue application to establish a secure connection.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

ua-.netstandardNVD

Affected:< 1.4.365.10Fixed in:1.4.365.10CVE-2020-29457derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Patch1

opcfoundation.org

Third-Party Advisory2

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

Embed a live status badge for CVE-2020-29457

Markdown

[![CVE-2020-29457](https://tridentstack.com/cve/badge/CVE-2020-29457.svg)](https://tridentstack.com/cve/CVE-2020-29457)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-29457"><img src="https://tridentstack.com/cve/badge/CVE-2020-29457.svg" alt="CVE-2020-29457"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2024-11-21.