What’s Vulnerable › Vulnerabilities

CVE-2021-42544: Lack of Rate limiting in Authentication in TopEase

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-30 · updated 2026-06-17
• Weakness: CWE-307

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.

Affected products

• Business-DNA Solutions GmbH TopEase: through 7.1.27

References

• https://confluence.topease.ch/confluence/display/DOC/Release+Notes
• https://confluence.topease.ch/confluence/display/DOC/Release+Notes

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