Vulnerability · Published Apr 23, 2021 · Assigned by Vaadin

CVE-2020-36319Potential sensitive data exposure in applications using Vaadin 15

Low 3.1

In plain English

A low-severity information exposure in flow-server from Vaadin. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)1.0%top 37.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavencom.vaadin:flow-server3.0.6GHSA-rjww-2x8v-m9v9

Affected products (as reported)

VendorProductVersions
Vaadin Vaadin 15.0.0 – before *
Vaadin flow-server 3.0.0 – before *

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

References