CVE-2021-31403

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

Published: Apr 23, 2021
Updated: May 9, 2024
CVE: CVE-2021-31403
GHSA: GHSA-75xc-qvxh-27f8
Severity: Low
Exploit:

CVSS v3:

Severity: Low
Score: 2.5
AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v2:

Severity: Low
Score: 1.9
AV:L/AC:M/Au:N/C:P/I:N/A:N

CWEs:

CWE-203
CWE-208

Affected Software
References

Software	From	Fixed in
vaadin / vaadin	7.0.0	7.7.24
vaadin / vaadin	8.0.0	8.12.3
com.vaadin / vaadin-bom	7.0.0	7.7.24
com.vaadin / vaadin-bom	8.0.0	8.12.3
com.vaadin / vaadin-server	7.0.0	7.7.24
com.vaadin / vaadin-server	8.0.0	8.12.3

https://github.com/vaadin/framework/pull/12188
https://github.com/vaadin/framework/pull/12190
https://github.com/vaadin/framework/security/advisories/GHSA-75xc-qvxh-27f8
https://vaadin.com/security/cve-2021-31403

Vulnerability Database

CVE-2021-31403

Deep Security Visibility Without the Complexity