Missing Upload Filter in TopEase
Priority MEDIUM 40CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
EPSS 0.01055 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Business-DNA Solutions GmbH | TopEase | up to 7.1.27 | — | No fix listed | CNA |
- TopEase VendorBusiness-DNA Solutions GmbH Affected up to 7.1.27 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:businessdnasolutions:topease:*:*:*:*:*:*:*:* | up to 7.1.27 | Vulnerable | Business-DNA Solutions GmbH |
- cpe:2.3:a:businessdnasolutions:topease:*:*:*:*:*:*:*:* Versions up to 7.1.27 Vulnerable ·Business-DNA Solutions GmbH
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-42123
- 2026-10-03 Alias added: GHSA-2fvx-vhr6-r4cv
References
More Business-DNA Solutions GmbH Topease vulnerabilities
- TI-2021-18829 Lack of Rate limiting in Authentication in TopEase CVSS 3.1CRITICAL 9.8
- TI-2021-18623 Missing HTTPOnly flag on sensitive cookie in TopEase CVSS 3.1CRITICAL 9.1
- TI-2021-18626 Stored XSS in TopEase CVSS 3.1HIGH 8.1
- TI-2021-18627 Stored XSS in Search Function in TopEase CVSS 3.1HIGH 7.3
- TI-2021-18628 Missing Character Length (Denial of Service) in TopEase CVSS 3.1MEDIUM 6.5
- TI-2021-18625 UI Redressing in TopEase CVSS 3.1MEDIUM 5.4
Sources
- CVE-2021-42123 · CVE Program
- CVE-2021-42123 · NVD
- FIRST EPSS
- GHSA-2fvx-vhr6-r4cv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences