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

3.1LOW

Key Information:

Vendor

Vaadin

Status
Vaadin
Flow-server
Vendor
CVE Published:
23 April 2021

What is CVE-2020-36319?

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

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Deploy the Patch

Affected Version(s)

flow-server 3.0.0

Vaadin 15.0.0

References

https://vaadin.com/security/cve-2020-36319
x_refsource_MISC
https://github.com/vaadin/flow/pull/8016
x_refsource_MISC
https://github.com/vaadin/flow/pull/8051
x_refsource_MISC

CVSS V3.1

Score:
3.1
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was discovered and responsibly reported by Christian Knoop (https://github.com/knoobie).
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