CVE-2021-31411: Insecure temporary directory usage in frontend build functionality of Vaadin 14 and 15-19

May 6, 2021 (updated May 19, 2021)

Insecure temporary directory usage in frontend build functionality of com.vaadin:flow-server versions 2.0.9 through 2.5.2 (Vaadin 14.0.3 through Vaadin 14.5.2), 3.0 prior to 6.0 (Vaadin 15 prior to 19), and 6.0.0 through 6.0.5 (Vaadin 19.0.0 through 19.0.4) allows local users to inject malicious code into frontend resources during application rebuilds.

References

github.com/advisories/GHSA-p826-8vhq-h439
github.com/vaadin/flow/pull/10640
github.com/vaadin/platform/security/advisories/GHSA-p826-8vhq-h439
nvd.nist.gov/vuln/detail/CVE-2021-31411
vaadin.com/security/cve-2021-31411

Code Behaviors & Features

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