CVE-2021-42110: Allegro

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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

• Allegro Allegro: before 3.3.4156.1 (fixed in 3.3.4156.1)

Published 2021-12-08. Last modified 2026-06-17.