CVE-2021-42120 - CVE House
Back to Database
Status published Medium CVE-2021-42120

Missing Character Length (Denial of Service) in TopEase

Vulnerability Description

Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 on all object attributes allows an authenticated remote attacker with Object Modification privileges to insert arbitrarily long strings, eventually leading to exhaustion of the underlying resource.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-42120

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

More from Business-DNA Solutions GmbH

View All →
CVE-2021-42545
Insufficient Session Expiration in TopEase
High 8.1
CVE-2021-42544
Lack of Rate limiting in Authentication in TopEase
High 7.5
CVE-2021-42123
Missing Upload Filter in TopEase
High 7.3
CVE-2021-42122
Denial of Service via Invalid Object Attribute in TopEase
Medium 4.3
CVE-2021-42121
Denial of Service via Invalid Date Format in TopEase
Medium 4.3

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:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-20

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1213 Data from Information Repositories
Collection
T1565.002 Stored Data Manipulation
Impact