CVE-2020-36319
Potential sensitive data exposure in applications using Vaadin 15
MEDIUM
6.5
CVSS Score
Published: April 23, 2021 at 04:05 PM UTC
Updated: June 17, 2026 at 03:15 AM UTC
3 products affected across 1 vendorVaadinFlowFlow Server
Using Vaadin by Vaadin?
Get instant alerts when new vulnerabilities affect Vaadin - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
3.0.0 ≤ v < 3.0.6
Affected range stops below 3.0.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.0.5, so it looks safe — our inference, not a vendor statement
v ≥ 3.0.03.0.0
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/vaadin/flow/pull/8016x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/vaadin/flow/pull/8051CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-200CWE-668
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card