CVE-2021-42110

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Published Dec 8, 2021 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed

Description

An issue was discovered in Allegro Windows (formerly Popsy Windows) before 3.3.4156.1. A standard user can escalate privileges to SYSTEM if the FTP module is installed, because of DLL hijacking.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:allegro:allegro:*:*:*:*:*:windows:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-29096	An issue was discovered in Allegro Windows (formerly Popsy Windows) before 3.3.4156.1. A standard user can escalate privileges to SYSTEM if the FTP module is installed, because of DLL hijacking.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity High

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.300% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.exe
https://cds.thalesgroup.com/en/tcs-cert/CVE-2021-42110
https://excellium-services.com/cert-xlm-advisory/CVE-2021-42110

History

May 30, 2025 4:15 PM Added references View changes

Type	Values Removed	Values Added
References		https://cds.thalesgroup.com/en/tcs-cert/CVE-2021-42110

Subscriptions

Allegro Allegro

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: May 30, 2025, 4:01 PM

Status: PUBLISHED
Assigner: mitre
Published: Dec 8, 2021, 3:42 PM
Updated: May 30, 2025, 4:01 PM
Reserved: Oct 8, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:09 AM

Status: Modified
Published: Dec 8, 2021, 4:15 PM
Modified: Jun 17, 2026, 4:09 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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