synced 14 MIN AGO
01 Record

CVE-2021-42110

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.

HighPUBLISHEDCNA: mitre
CNA base score7.1 CVSS v3.xCVSS:3.1/AC:L/AV:A/A:N/C:H/I:L/PR:N/S:U/UI:N
View raw JSON

02 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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.30% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 22.4% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-12-08 15:42Z4 YR AGO
Last updated
2025-05-30 16:01Z1 YR AGO
Reserved
2021-10-08
Assigning CNA
mitre
Record state
PUBLISHED
Severity
High (CVSS 7.1)
CNA CVSS vector
CVSS:3.1/AC:L/AV:A/A:N/C:H/I:L/PR:N/S:U/UI:N
Weaknesses
No CWE assigned
Data version
5.1
Document digest
cd091135c3891a72292e7719cc7db4015281f260fd13ded4677701f6c9a1c6d2

05 Affected products

VendorProductVersionsPlatforms
allegroallegroNot specified—

06 References