CVE-2021-31406

Summary

Non-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.

Affected Software

VendorProductVersion RangeStatus
VaadinVaadin19.0.0affected
VaadinVaadin15.0.0 < *affected
Vaadinflow-server6.0.0affected
Vaadinflow-server3.0.0 < *affected

Weaknesses

  • CWE-208: CWE-208 Information Exposure Through Timing Discrepancy

ADP Enrichment

CVE Program Container

Additional References

References