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Vulnerability Details :

CVE-2021-42110

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-08 Dec, 2021 | 15:42
Updated At-30 May, 2025 | 16:01
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:08 Dec, 2021 | 15:42
Updated At:30 May, 2025 | 16:01
Rejected At:
▼CVE Numbering Authority (CNA)

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
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
3.17.1HIGH
CVSS:3.1/AC:L/AV:A/A:N/C:H/I:L/PR:N/S:U/UI:N
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AC:L/AV:A/A:N/C:H/I:L/PR:N/S:U/UI:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://excellium-services.com/cert-xlm-advisory/CVE-2021-42110
N/A
http://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.exe
N/A
https://cds.thalesgroup.com/en/tcs-cert/CVE-2021-42110
N/A
Hyperlink: https://excellium-services.com/cert-xlm-advisory/CVE-2021-42110
Resource: N/A
Hyperlink: http://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.exe
Resource: N/A
Hyperlink: https://cds.thalesgroup.com/en/tcs-cert/CVE-2021-42110
Resource: N/A
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://excellium-services.com/cert-xlm-advisory/CVE-2021-42110
x_refsource_MISC
x_transferred
http://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.exe
x_refsource_MISC
x_transferred
Hyperlink: https://excellium-services.com/cert-xlm-advisory/CVE-2021-42110
Resource:
x_refsource_MISC
x_transferred
Hyperlink: http://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.exe
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:08 Dec, 2021 | 16:15
Updated At:30 May, 2025 | 16:15

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.1HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary2.06.2MEDIUM
AV:L/AC:H/Au:N/C:C/I:C/A:C
Type: Secondary
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 6.2
Base severity: MEDIUM
Vector:
AV:L/AC:H/Au:N/C:C/I:C/A:C
CPE Matches
allegro
allegro
>>allegro>>Versions before 3.3.4156.1(exclusive)
cpe:2.3:a:allegro:allegro:*:*:*:*:*:windows:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.execve@mitre.org
Patch
Vendor Advisory
https://cds.thalesgroup.com/en/tcs-cert/CVE-2021-42110cve@mitre.org
N/A
https://excellium-services.com/cert-xlm-advisory/CVE-2021-42110cve@mitre.org
Patch
Third Party Advisory
http://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.exeaf854a3a-2127-422b-91ae-364da2661108
Patch
Vendor Advisory
https://excellium-services.com/cert-xlm-advisory/CVE-2021-42110af854a3a-2127-422b-91ae-364da2661108
Patch
Third Party Advisory
Hyperlink: http://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.exe
Source: cve@mitre.org
Resource:
Patch
Vendor Advisory
Hyperlink: https://cds.thalesgroup.com/en/tcs-cert/CVE-2021-42110
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://excellium-services.com/cert-xlm-advisory/CVE-2021-42110
Source: cve@mitre.org
Resource:
Patch
Third Party Advisory
Hyperlink: http://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.exe
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Vendor Advisory
Hyperlink: https://excellium-services.com/cert-xlm-advisory/CVE-2021-42110
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Third Party Advisory

Change History

0
Information is not available yet

Similar CVEs

1Records found
CVE-2021-43978
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.1||HIGH
EPSS-0.22% / 44.61%
||
7 Day CHG~0.00%
Published-08 Dec, 2021 | 18:30
Updated-30 May, 2025 | 16:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Allegro WIndows 3.3.4152.0, embeds software administrator database credentials into its binary files, which allows users to access and modify data using the same credentials.

Action-Not Available
Vendor-allegron/a
Product-allegron/a
CWE ID-CWE-522
Insufficiently Protected Credentials
Details not found