CVE-2021-42544 - CVE House
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Status published High CVE-2021-42544

Lack of Rate limiting in Authentication in TopEase

Vulnerability Description

Missing Rate Limiting in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 on the Login Form allows an unauthenticated remote attacker to perform multiple login attempts, which facilitates gaining privileges.

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-2021-42121
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Affected Vendor

Business-DNA Solutions GmbH

View all reports →

Affected Software

TopEase
Vulnerable Versions:
unspecified, next of 7.1.28

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

Weaknesses (CWE)

CWE-307

MITRE ATT&CK TTPs

T1110 Brute Force
Credential Access
T1078 Valid Accounts
Persistence
T1550 Use Alternate Authentication Material
Defense Evasion
T1021 Remote Services
Lateral Movement
T1562 Impair Defenses
Defense Evasion