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

Moderate
fluorumlabs published GHSA-qrg9-f472-qwfm Jun 24, 2021

Package

maven com.vaadin:vaadin-bom (Maven)

Affected versions

>=10.0.0, <=10.0.18, >=11.0.0, <14.0.0, >=14.0.0, <=14.6.1, >=15.0.0, <=19.0.8

Patched versions

10.0.19, 14.6.2, 19.0.9

Description

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.

Severity

Moderate
5.3
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVE ID

CVE-2021-31412

Weaknesses