Is CVE-2021-42026 in the CISA KEV catalog?

No. CVE-2021-42026 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-42026?

CVE-2021-42026 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-42026?

CVE-2021-42026 has an EPSS score of 0.55% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-42026?

Upgrade mendix to 9.6.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-42026

MEDIUM

4.3

CVSS v3

NVD

Description

A vulnerability has been identified in Mendix Applications using Mendix 8 (All versions < V8.18.13), Mendix Applications using Mendix 9 (All versions < V9.6.2). Applications built with affected versions of Mendix Studio Pro do not properly control read access for certain client actions. This could allow authenticated attackers to retrieve the changedDate attribute of arbitrary objects, even when they don't have read access to them.

CWE-863Incorrect Authorization

How to fix

Remediation Available

mendixNVD

Affected:>= 9.0.0, < 9.6.2Fixed in:9.6.2CVE-2021-42026derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.55%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Patch1

cert-portal.siemens.com

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

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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 2024-11-21.