CVE-2021-42121: Denial of Service via Invalid Date Format in TopEase

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% 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-20

Description

Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 on an object’s date attribute(s) allows an authenticated remote attacker with Object Modification privileges to insert an unexpected format into date fields, which leads to breaking the object page that the date field is present.

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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