Timing side channel vulnerability in UIDL request handler in Vaadin 10, 11-14, and 15-18
Priority LOW 38CWE-208Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
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- Attack complexity
- —
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-208.
Summary
Non-constant-time comparison of CSRF tokens in UIDL request handler in `com.vaadin:flow-server` versions 1.0.0 through 1.0.13 (Vaadin 10.0.0 through 10.0.16), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.4.6 (Vaadin 14.0.0 through 14.4.6), 3.0.0 prior to 5.0.0 (Vaadin 15 prior to 18), and 5.0.0 through 5.0.2 (Vaadin 18.0.0 through 18.0.5) allows attacker to guess a security token via timing attack. - https://vaadin.com/security/cve-2021-31404
Why it matters now
Fix Fixed com.vaadin:vaadin-bom (Maven): 10.0.17, 14.4.7, 18.0.6
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) | 10.0.0 to before 10.0.17 | 10.0.17 | Patch available | GHSA-c6c4-7x48-4cqp |
| — | com.vaadin:vaadin-bom (Maven) | 11.0.0 to before 14.4.7 | 14.4.7 | Patch available | GHSA-c6c4-7x48-4cqp |
| — | com.vaadin:vaadin-bom (Maven) | 15.0.0 to before 18.0.6 | 18.0.6 | Patch available | GHSA-c6c4-7x48-4cqp |
- com.vaadin:vaadin-bom (Maven) Vendor— Affected 10.0.0 to before 10.0.17 Fixed in 10.0.17 Patch available GHSA-c6c4-7x48-4cqp
- com.vaadin:vaadin-bom (Maven) Vendor— Affected 11.0.0 to before 14.4.7 Fixed in 14.4.7 Patch available GHSA-c6c4-7x48-4cqp
- com.vaadin:vaadin-bom (Maven) Vendor— Affected 15.0.0 to before 18.0.6 Fixed in 18.0.6 Patch available GHSA-c6c4-7x48-4cqp
Remediation
- Fix · GHSA-c6c4-7x48-4cqp com.vaadin:vaadin-bom (Maven) Fixed in 10.0.17 Advisory →
- Fix · GHSA-c6c4-7x48-4cqp com.vaadin:vaadin-bom (Maven) Fixed in 14.4.7 Advisory →
- Fix · GHSA-c6c4-7x48-4cqp com.vaadin:vaadin-bom (Maven) Fixed in 18.0.6 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-c6c4-7x48-4cqp
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences