CVE-2021-31403
Medium
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
SeverityMedium
CVSS4.0
Exploit probability—
Product
Vaadin
PublishedApr 23, 2021
First seenApr 23, 2021
Weakness typeCWE-208CWE-208
How to fix
Update
- vaadin vaadin7.7.24, 8.12.3 or later
- com.vaadin:vaadin-bom7.7.24, 8.12.3 or later
- com.vaadin:vaadin-server7.7.24, 8.12.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| vaadin vaadin | 7.0.0 ≤ v < 7.7.24, 8.0.0 ≤ v < 8.12.3 | 7.7.24, 8.12.3 |
| com.vaadin:vaadin-bomMaven | 7.0.0 ≤ v < 7.7.24, 8.0.0 ≤ v < 8.12.3 | 7.7.24, 8.12.3 |
| com.vaadin:vaadin-serverMaven | 7.0.0 ≤ v < 7.7.24, 8.0.0 ≤ v < 8.12.3 | 7.7.24, 8.12.3 |
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