Vulnerability in Vaadin Flow-server

CVE-2021-31412

Improper sanitization of path in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 through 1.0.14 (Vaadin 10.0.0 through 10.0.18), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.6.1 (Vaadin 14.0.0 thro…

EPSS: 0.007 (72.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-31412?
CVE-2021-31412 is a medium-severity vulnerability in Vaadin Flow-server, classified under CWE-1295. CVSS score: 5.3/10. Published 2021-06-24.
How severe is CVE-2021-31412?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2021-31412 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.