VULNERABILITY INTELLIGENCE
CVE-2021-31403
CVSS score4 MEDIUM
EPSS probability0.31%
CISA KEVNot currently listed
Published2021-04-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Description
Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 (Vaadin 7.0.0 through 7.7.23), and 8.0.0 through 8.12.2 (Vaadin 8.0.0 through 8.12.2) allows attacker to guess a security token via timing attack
Weakness classification
- security@vaadin.com: CWE-208
- nvd@nist.gov: CWE-203
Primary references
- security@vaadin.com — Patch, Third Party Advisory
- security@vaadin.com — Patch, Third Party Advisory
- security@vaadin.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory