CVE-2021-33605

Unauthorized property update in CheckboxGroup component in Vaadin 12-14 and 15-20

MEDIUM

4.3

CVSS Score

Published: August 25, 2021 at 12:12 PM UTC

Updated: June 17, 2026 at 03:54 AM UTC

2 products affected across 1 vendorVaadin Checkbox FlowVaadin

Using Vaadin by Vaadin?

Get instant alerts when new vulnerabilities affect Vaadin - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

MEDIUM4.3

Exploit prediction

EPSS 0.7%

Description

Improper check in CheckboxGroup in com.vaadin:vaadin-checkbox-flow versions 1.2.0 prior to 2.0.0 (Vaadin 12.0.0 prior to 14.0.0), 2.0.0 prior to 3.0.0 (Vaadin 14.0.0 prior to 14.5.0), 3.0.0 through 4.0.1 (Vaadin 15.0.0 through 17.0.11), 14.5.0 through 14.6.7 (Vaadin 14.5.0 through 14.6.7), and 18.0.0 through 20.0.5 (Vaadin 18.0.0 through 20.0.5) allows attackers to modify the value of a disabled Checkbox inside enabled CheckboxGroup component via unspecified vectors.

Affected

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

Vaadin Checkbox Flow · Vaadin

95%

v ≥ 1.2.0v ≥ 14.5.0v ≥ 18.0.0v ≥ 2.0.0v ≥ 3.0.0v ≤ 14.6.7v ≤ 20.0.5v ≤ 4.0.1v < 2.0.0v < 3.0.01.2.0 ≤ v < 2.0.014.5.0 ≤ v < 14.6.718.0.0 ≤ v < 20.0.52.0.0 ≤ v < 3.0.03.0.0 ≤ v < 4.0.11.2.0 14.5.0 18.0.0 2.0.0 3.0.0

Affected range stops below 14.6.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.0.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.0.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.0.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.0.1, so it looks safe — our inference, not a vendor statement

vaadin-vaadin (same device)

Vaadin · Vaadinmaven

60%

v ≥ 12.0.0v ≥ 14.0.0v ≥ 14.5.0v ≥ 15.0.0v ≥ 18.0.0v ≤ 14.6.7v ≤ 17.0.11v ≤ 20.0.5v < 14.0.0v < 14.5.012.0.0 14.0.0 14.5.0 15.0.0 18.0.0

Affected range stops below 14.0.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.5.0, 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

References (2)

x_refsource_CONFIRMPatchThird Party Advisory

Source: [email protected]

https://github.com/vaadin/flow-components/pull/1903

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://vaadin.com/security/cve-2021-33605

CVSS

4.3MEDIUMVaadin

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-754

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card