# CVE-2021-42115

## Summary

- **CVE ID:** CVE-2021-42115
- **Severity:** HIGH
- **CVSS Score:** 8.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N)
- **CWE:** CWE-1004
- **Published:** Nov 30, 2021
- **Last Modified:** Mar 13, 2026

## Description

Missing HTTPOnly flag in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 allows an unauthenticated remote attacker to escalate privileges from unauthenticated to authenticated user via stealing and injecting the session- independent and static cookie UID.

## Affected Products

- Business-DNA Solutions GmbH — TopEase (unspecified)

## References

- [CNA](https://confluence.topease.ch/confluence/display/DOC/Release+Notes)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.57%
- **EPSS Percentile:** 68.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._