Denial of Service via Invalid Date Format in TopEase
Priority LOW 22CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.01032 63rd 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-2021-42121
- 2026-10-03 Alias added: GHSA-52xf-jjg9-gfxx
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-2021-18631 Missing Upload Filter in TopEase CVSS 3.1HIGH 8.8
- 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
Sources
- CVE-2021-42121 · CVE Program
- CVE-2021-42121 · NVD
- FIRST EPSS
- GHSA-52xf-jjg9-gfxx · GitHub Advisory Database · CC BY 4.0
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