What’s Vulnerable › Vulnerabilities
CVE-2021-31410: Project sources exposure in Vaadin Designer
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-04-23 · updated 2026-06-17
- Weakness: CWE-402
Description
Overly relaxed configuration of frontend resources server in Vaadin Designer versions 4.3.0 through 4.6.3 allows remote attackers to access project sources via crafted HTTP request.
Affected products
- Vaadin Designer: from 4.3.0 before 4.6.4 — fixed in 4.6.4
How to fix
Upgrade to a fixed version: Vaadin Designer 4.6.4. Check the vendor advisory for mitigations.
References
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