CVE-2021-31406
Last modified
CVE-2021-31406 is a low-severity vulnerability rated 2.5/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vaadin | Flow | >= 3.0.0, < 5.0.4 |
| Vaadin | Flow | 6.0.0 |
| Vaadin | Vaadin | >= 15.0.0, < 18.0.7 |
| Vaadin | Vaadin | 19.0.0 |
References
- https://github.com/vaadin/flow/pull/10157Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-31406Vendor Advisory
- https://github.com/vaadin/flow/pull/10157Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-31406Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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