What is CVE-2020-36319?

CVE-2020-36319 is a low-severity vulnerability in Vaadin Flow-server, classified under Information Disclosure. CVSS score: 3.1/10. Published 2021-04-23.

How severe is CVE-2020-36319?

Low severity. CVSS v3 base score is 3.1 out of 10.

Is CVE-2020-36319 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Vaadin Flow-server

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

Vulnerability class: Information Disclosure

EPSS: 0.004 (60.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Vaadin Flow-server — versions 3.0.0
Vaadin — versions 15.0.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-36319

References

vaadin.com/security/cve-2020-36319 (x_refsource_MISC)
github.com/vaadin/flow/pull/8016 (x_refsource_MISC)
github.com/vaadin/flow/pull/8051 (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-36319?: CVE-2020-36319 is a low-severity vulnerability in Vaadin Flow-server, classified under Information Disclosure. CVSS score: 3.1/10. Published 2021-04-23.
How severe is CVE-2020-36319?: Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2020-36319 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.