CVE-2021-42544
Lack of Rate limiting in Authentication in TopEase
CVE-2021-42544 is a high vulnerability (CVSS 7.5) in Business-dna Solutions Gmbh Topease, published November 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. No source names a fixed version.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Lack of Rate limiting in Authentication in TopEase
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.
- Record
CVE-2021-42544- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-307
- Updated
- 2026-11-02
EUVDEUVD-2021-29513
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.
- Record
EUVD-2021-29513- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jxgv-3jv5-8mh9 No score
Missing Rate Limiting in Web Applications operating on Business-DNA Solutions GmbH’s TopEase®...
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.
- Record
GHSA-jxgv-3jv5-8mh9- Weakness
- CWE-307
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-42544- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-307
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |