CVE-2021-42110

high

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.

References

https://excellium-services.com/cert-xlm-advisory/CVE-2021-42110

https://cds.thalesgroup.com/en/tcs-cert/CVE-2021-42110

http://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.exe

Details

Source: Mitre, NVD

Published: 2021-12-08

Updated: 2025-05-30

Risk Information

CVSS v2

Base Score: 6.2

Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00048