What’s Vulnerable › Vulnerabilities

CVE-2021-42123: Missing Upload Filter in TopEase

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% 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-434

Description

Unrestricted File Upload in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 in the File Upload Functions allows an authenticated remote attacker with Upload privileges to upload files with any file type, enabling client-side attacks.

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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