CVE-2021-42123 - CVE House
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Status published High CVE-2021-42123

Missing Upload Filter in TopEase

Vulnerability Description

Unrestricted File Upload in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 in the File Upload Functions allows an authenticated remote attacker with Upload privileges to upload files with any file type, enabling client-side attacks.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • SIX Group Services AG, Cyber Controls

References

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CVE-2021-42122
Denial of Service via Invalid Object Attribute in TopEase
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CVE-2021-42121
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CVE-2021-42120
Missing Character Length (Denial of Service) in TopEase
Medium 6.5

Affected Vendor

Business-DNA Solutions GmbH

View all reports →

Affected Software

TopEase
Vulnerable Versions:
unspecified

Timeline

Official Publish: November 30th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Weaknesses (CWE)

CWE-434

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1505.003 Web Shell
Persistence
T1105 Ingress Tool Transfer
Command and Control
T1059 Command and Scripting Interpreter
Execution
T1565.002 Stored Data Manipulation
Impact