CVE-2021-31410

Project sources exposure in Vaadin Designer

HIGH

7.5

CVSS Score

Published: April 23, 2021 at 04:08 PM UTC

Updated: June 17, 2026 at 03:51 AM UTC

1 product affected across 1 vendorDesigner

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Severity

HIGH7.5

Exploit prediction

EPSS 2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Designer · Vaadin

95%

v ≥ 4.3.04.3.0 ≤ v < 4.6.44.3.0

Affected range stops below 4.6.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://vaadin.com/security/cve-2021-31410

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://vaadin.com/security/cve-2021-31410

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-402CWE-668

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