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TI-2021-11544 Aliases CVE-2021-31412GHSA-qrg9-f472-qwfm

Possible route enumeration in production mode via RouteNotFoundError view in Vaadin 10, 11-14, and 15-19

Priority LOW 27CWE-1295Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-668 and the CVSS impact.

Summary

Improper sanitization of path in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 through 1.0.14 (Vaadin 10.0.0 through 10.0.18), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), and 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows network attacker to enumerate all available routes via crafted HTTP request when application is running in production mode and no custom handler for NotFoundException is provided.

Why it matters now

EPSS 0.01318 70th percentileScored 2026-11-07
Fix Fixed com.vaadin:vaadin-bom (Maven): 10.0.19, 14.6.2, 19.0.9

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
VaadinVaadin10.0.0 and later; up to 10.0.18; 11.0.0 and later; before 14.0.0; 14.0.0 and later; up to 14.6.1; 15.0.0 and later; up to 19.0.8—No fix listedCNA
Vaadinflow-server1.0.0 and later; up to 1.0.14; 1.1.0 and later; before 2.0.0; 2.0.0 and later; up to 2.6.1; 3.0.0 and later; up to 6.0.9—No fix listedCNA
—com.vaadin:vaadin-bom (Maven)10.0.0 to before 10.0.1910.0.19Patch availableGHSA-qrg9-f472-qwfm
—com.vaadin:vaadin-bom (Maven)11.0.0 to before 14.6.214.6.2Patch availableGHSA-qrg9-f472-qwfm
—com.vaadin:vaadin-bom (Maven)15.0.0 to before 19.0.919.0.9Patch availableGHSA-qrg9-f472-qwfm
  • Vaadin VendorVaadin Affected 10.0.0 and later; up to 10.0.18; 11.0.0 and later; before 14.0.0; 14.0.0 and later; up to 14.6.1; 15.0.0 and later; up to 19.0.8 Fixed in — No fix listed CNA
  • flow-server VendorVaadin Affected 1.0.0 and later; up to 1.0.14; 1.1.0 and later; before 2.0.0; 2.0.0 and later; up to 2.6.1; 3.0.0 and later; up to 6.0.9 Fixed in — No fix listed CNA
  • com.vaadin:vaadin-bom (Maven) Vendor— Affected 10.0.0 to before 10.0.19 Fixed in 10.0.19 Patch available GHSA-qrg9-f472-qwfm
  • com.vaadin:vaadin-bom (Maven) Vendor— Affected 11.0.0 to before 14.6.2 Fixed in 14.6.2 Patch available GHSA-qrg9-f472-qwfm
  • com.vaadin:vaadin-bom (Maven) Vendor— Affected 15.0.0 to before 19.0.9 Fixed in 19.0.9 Patch available GHSA-qrg9-f472-qwfm

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:*1.0.0 – 1.0.14; 1.1.0 – 1.4.0; 2.0.0 – 2.6.1; 3.0.0 – 5.0.0; 6.0.0 – 6.0.9VulnerableVaadin
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*10.0.0 – 10.0.18; 11.0.0 – 13.0.0; 14.0.0 – 14.6.1; 15.0.0 – 18.0.0; 19.0.0 – 19.0.8VulnerableVaadin
  • cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:* Versions 1.0.0 – 1.0.14; 1.1.0 – 1.4.0; 2.0.0 – 2.6.1; 3.0.0 – 5.0.0; 6.0.0 – 6.0.9 Vulnerable ·Vaadin
  • cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* Versions 10.0.0 – 10.0.18; 11.0.0 – 13.0.0; 14.0.0 – 14.6.1; 15.0.0 – 18.0.0; 19.0.0 – 19.0.8 Vulnerable ·Vaadin

Remediation

  • Fix · GHSA-qrg9-f472-qwfm com.vaadin:vaadin-bom (Maven) Fixed in 10.0.19 Advisory →
  • Fix · GHSA-qrg9-f472-qwfm com.vaadin:vaadin-bom (Maven) Fixed in 14.6.2 Advisory →
  • Fix · GHSA-qrg9-f472-qwfm com.vaadin:vaadin-bom (Maven) Fixed in 19.0.9 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31412
  2. 2026-10-03 Alias added: GHSA-qrg9-f472-qwfm

References

  • TI-2021-11539 Server classes and resources exposure in OSGi applications using Vaadin 12-14 and 19 CVSS 3.1HIGH 8.6
  • TI-2021-11537 Regular expression denial of service (ReDoS) in EmailField component in Vaadin 14 and 15-17 CVSS 3.1HIGH 7.5
  • TI-2020-18604 Directory traversal in development mode handler in Vaadin 14 and 15-17 CVSS 3.1HIGH 7.5
  • TI-2021-11543 Insecure temporary directory usage in frontend build functionality of Vaadin 14 and 15-19 CVSS 3.1HIGH 7.8
  • TI-2021-11540 Server session is not invalidated when logout() helper method of Authentication module is used in Vaadin 18-19 CVSS 3.1HIGH 7.1
  • TI-2020-18602 Potential sensitive data exposure in applications using Vaadin 15 CVSS 3.1MEDIUM 6.5
See all 10 →

Sources