GMS-2021-63: Unauthorized client-side property update in UIDL request handler in Vaadin 10 and 11

April 19, 2021 (updated October 8, 2021)

Missing check in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.5 (Vaadin 10.0.0 through 10.0.7, and 11.0.0 through 11.0.2) allows attacker to update element property values via crafted synchronization message.

https://vaadin.com/security/cve-2018-25007

References

github.com/advisories/GHSA-3h5r-928v-mxhh
github.com/vaadin/platform/security/advisories/GHSA-3h5r-928v-mxhh
vaadin.com/security/cve-2018-25007

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