Vaadin flow-server

Name: Vaadin flow-server
Brand: Vaadin

productEU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

EPSS ≥ 10%

unpatched

critical

by severity

0critical3high4medium3low

updated 2026-10-27

vulnerabilities (10)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-31407US	high7.5	2.38% (84th)	—	*	2021-04-23	1.2.0 → *
CVE-2021-31412US	medium5.3	1.32% (71st)	—	unspecified	2021-06-24	8 versions
CVE-2020-36321US	high7.5	1.21% (68th)	—	*	2021-04-23	2.0.0 → *
CVE-2020-36319US	medium6.5	1.00% (63rd)	—	*	2021-04-23	3.0.0 → *
CVE-2019-25027US	medium6.1	0.67% (52nd)	—	*	2021-04-23	1.0.0 → *
CVE-2018-25007US	medium4.3	0.57% (47th)	—	*	2021-04-23	1.0.0 → *
CVE-2021-33604US	low2.5	0.29% (21st)	—	unspecified	2021-06-24	4 versions
CVE-2021-31411US	high7.8	0.23% (14th)	—	*	2021-05-05	2.0.9 → *
CVE-2021-31406US	low2.5	0.21% (11th)	—	*	2021-04-23	2 versions
CVE-2021-31404US	low2.5	0.21% (11th)	—	*	2021-04-23	1.0.0 → *

The flaw types (CWEs) most of these CVEs share.

CWE-668Exposure of Resource to Wrong Sphere3 CVEs
CWE-20Improper Input Validation2 CVEs
CWE-203Observable Discrepancy2 CVEs
CWE-208Observable Timing Discrepancy2 CVEs
CWE-1295Debug Messages Revealing Unnecessary Information1 CVEs
CWE-172Encoding Error1 CVEs
CWE-200Exposure of Sensitive Information to an Unauthorized Actor1 CVEs
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')1 CVEs

Which sources assert this record, and when.

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