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

CVE-2021-42026 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.5%.

Is there a patch available for CVE-2021-42026?

Yes, a patch is available for CVE-2021-42026. Update the affected software to the latest version immediately.

Mendix CVE-2021-42026

MEDIUM

Incorrect Authorization (CWE-863)

2021-11-09 productcert@siemens.com

Authentication Bypass Mendix

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Nov 09, 2021 - 12:15 nvd

MEDIUM 4.3

DescriptionNVD

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.

AnalysisAI

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). Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. 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. Affected products include: Mendix.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.