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Medium

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

  • Disclosed: 28.06.2021
  • Updated: 11.10.2026 11:21

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.

Affected software

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PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) com.vaadin:vaadin-bom >= 10.0.0, < 10.0.19, >= 11.0.0, < 14.6.2, >= 15.0.0, < 19.0.9 10.0.19, 14.6.2, 19.0.9

References

CVSS score 5.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
CWE-1295, CWE-20, CWE-668
Platform
Java / Kotlin (Maven)
Package
com.vaadin:vaadin-bom
Disclosed
28.06.2021
Updated
11.10.2026 11:21

Sources and licenses

OSV / GitHub Advisory Database - GHSA-qrg9-f472-qwfm - CC BY 4.0

Vulnerability history: com.vaadin:vaadin-bom

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (18) in the archive
Total entries
18
First → latest
04.2021 11.2021
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 5
  • Medium 10
  • Low 3

Disclosures per year

Severity:
  1. Regular expression Denial of Service (ReDoS) in EmailValidator class in V7 compatibility module in Vaadin 8
    High · 7.5 ghsa-jfmf-w293-8xr8 >= 8.0.0, < 8.13.0 8.13.0
  2. Possible route enumeration in production mode via RouteNotFoundError view in Vaadin 10, 11-14, and 15-19 this entry
    Medium · 5.3 CVE-2021-31412 >= 10.0.0, < 10.0.19, >= 11.0.0, < 14.6.2, >= 15.0.0, < 19.0.9 10.0.19, 14.6.2, 19.0.9
  3. Insecure temporary directory usage in frontend build functionality of Vaadin 14 and 15-19
    High · 6.3 CVE-2021-31411 >= 14.0.3, < 14.5.3, >= 15.0.0, < 19.0.5 14.5.3, 19.0.5
  4. Regular expression denial of service (ReDoS) in EmailValidator class in Vaadin 7
    High · 7.5 CVE-2020-36320 >= 7.0.0.beta1, < 7.7.22 7.7.22
  5. Regular expression denial of service (ReDoS) in EmailField component in Vaadin 14 and 15-17
    High · 7.5 CVE-2021-31405 >= 14.0.6, < 14.4.4, >= 15.0.0, < 17.0.11 14.4.4, 17.0.11
  6. Server classes and resources exposure in OSGi applications using Vaadin 12-14 and 19
    High · 8.6 ghsa-j9wr-49vq-rm5g >= 12.0.0, < 14.4.10, >= 19.0.0, < 19.0.1 14.4.10, 19.0.1

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