CVE-2021-33605

mediumpriority · track · 17EPSS 0.007 · 52 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.66% (52nd) EPSS

CVSS 4 · medium

Is it mine?

27 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · security@vaadin.comexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · OSV

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-754USprimaryCWE-754US

affected products (27)

Products and version ranges known to be affected.

Vaadin Vaadin≤ unspecified ≤14.6.7enisa_euvdEU
Vaadin Vaadin≤ unspecified ≤17.0.11enisa_euvdEU
Vaadin Vaadin≤ unspecified ≤20.0.5enisa_euvdEU
Vaadin Vaadin12.0.0 → unspecifiedenisa_euvdEU
Vaadin Vaadin14.0.0 → unspecifiedenisa_euvdEU
Vaadin Vaadin14.5.0 → unspecifiedenisa_euvdEU
Vaadin Vaadin15.0.0 → unspecifiedenisa_euvdEU
Vaadin Vaadin18.0.0 → unspecifiedenisa_euvdEU
Vaadin Vaadinunspecified → 14.0.0enisa_euvdEU
Vaadin Vaadinunspecified → 14.5.0enisa_euvdEU
Vaadin vaadin-checkbox-flow≤ unspecified ≤20.0.5enisa_euvdEU
Vaadin vaadin-checkbox-flow≤ unspecified ≤4.0.1enisa_euvdEU
Vaadin vaadin-checkbox-flow≤ unspecified ≤14.6.7enisa_euvdEU
Vaadin vaadin-checkbox-flow1.2.0 → unspecifiedenisa_euvdEU
Vaadin vaadin-checkbox-flow14.5.0 → unspecifiedenisa_euvdEU
Vaadin vaadin-checkbox-flow18.0.0 → unspecifiedenisa_euvdEU
Vaadin vaadin-checkbox-flow2.0.0 → unspecifiedenisa_euvdEU
Vaadin vaadin-checkbox-flow3.0.0 → unspecifiedenisa_euvdEU
Vaadin vaadin-checkbox-flowunspecified → 2.0.0enisa_euvdEU
Vaadin vaadin-checkbox-flowunspecified → 3.0.0enisa_euvdEU

showing 20 of 27

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-qcc4-3rxf-gf4mUnauthorized property update in CheckboxGroup component in Vaadin 12-14 and 15-202021-08-30ghsa · osvUS
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. - https://vaadin.com/security/cve-2021-33605

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv NVD CVE.org MITRE

published 2021-08-25modified 2026-06-17

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references (6)

External citations — patches, advisories, analysis.

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