Directory traversal in development mode handler in Vaadin 14 and 15-17
Priority LOW 38CWE-20Published · Updated
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub.
Summary
Improper URL validation in development mode handler in `com.vaadin:flow-server` versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder. - https://vaadin.com/security/cve-2020-36321
Why it matters now
Fix Fixed com.vaadin:vaadin-bom (Maven): 14.4.3, 18.0.0
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 |
|---|---|---|---|---|---|
| — | com.vaadin:vaadin-bom (Maven) | 14.0.0 to before 14.4.3 | 14.4.3 | Patch available | GHSA-82mf-mmh7-hxp5 |
| — | com.vaadin:vaadin-bom (Maven) | 15.0.0 to before 18.0.0 | 18.0.0 | Patch available | GHSA-82mf-mmh7-hxp5 |
- com.vaadin:vaadin-bom (Maven) Vendor— Affected 14.0.0 to before 14.4.3 Fixed in 14.4.3 Patch available GHSA-82mf-mmh7-hxp5
- com.vaadin:vaadin-bom (Maven) Vendor— Affected 15.0.0 to before 18.0.0 Fixed in 18.0.0 Patch available GHSA-82mf-mmh7-hxp5
Remediation
- Fix · GHSA-82mf-mmh7-hxp5 com.vaadin:vaadin-bom (Maven) Fixed in 14.4.3 Advisory →
- Fix · GHSA-82mf-mmh7-hxp5 com.vaadin:vaadin-bom (Maven) Fixed in 18.0.0 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-82mf-mmh7-hxp5
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences