CVE-2021-31406

Summary

CVECVE-2021-31406
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-04-23 16:15:00 UTC
Updated2021-04-30 19:01:00 UTC
DescriptionNon-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack.

Risk And Classification

Problem Types: CWE-203

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Vaadin Flow All All All All
Application Vaadin Flow 6.0.0 - All All
Application Vaadin Vaadin All All All All
Application Vaadin Vaadin 19.0.0 - All All

References

ReferenceSourceLinkTags
Use time-constant comparison for CSRF tokens in endpoint by haijian-vaadin · Pull Request #10157 · vaadin/flow · GitHub CONFIRM github.com
CVE-2021-31406: Timing side channel vulnerability in endpoint request handler in Vaadin 15-19 CONFIRM vaadin.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: This issue was discovered and responsibly reported by Xhelal Likaj.

Legacy QID Mappings

  • 982690 Java (maven) Security Update for com.vaadin:flow-server (GHSA-p7jq-v8jp-j424)
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