title: Potential sensitive data exposure in applications using Vaadin 15
description: Insecure configuration of default ObjectMapper in com.vaadin:flow-server versions 3.0.0 through 3.0.5 (Vaadin 15.0.0 through 15.0.4) may expose sensitive data if the application also uses e.g. @RestController
problem types: CWE-200 Information Exposure
affected:
{
product: Vaadin
vendor: Vaadin
versions:
lessThan: *, status: affected, version: 15.0.0, versionType: custom
}
{
product: flow-server
vendor: Vaadin
versions:
lessThan: *, status: affected, version: 3.0.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 3.1
baseSeverity: LOW
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
version: 3.1
]