CVE-2021-31404
Last modified
CVE-2021-31404 is a low-severity vulnerability rated 2.5/10 on the CVSS scale. Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.13 (Vaadin 10.0.0 through 10.0.16), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.4.6 (Vaadin 14.0.0 through 14.4.6), 3.0.0 prior to 5.0.0 (Vaadin 15 prior to 18), and 5.0.0 through 5.0.2 (Vaadin 18.0.0 through 18.0.5) allows attacker to guess a security token 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 UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.13 (Vaadin 10.0.0 through 10.0.16), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.4.6 (Vaadin 14.0.0 through 14.4.6), 3.0.0 prior to 5.0.0 (Vaadin 15 prior to 18), and 5.0.0 through 5.0.2 (Vaadin 18.0.0 through 18.0.5) allows attacker to guess a security token 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 | >= 1.0.0, < 1.0.14 |
| Vaadin | Flow | >= 1.1.0, < 2.0.0 |
| Vaadin | Flow | >= 2.0.0, < 2.4.7 |
| Vaadin | Flow | >= 3.0.0, < 5.0.0 |
| Vaadin | Flow | >= 5.0.0, < 5.0.3 |
| Vaadin | Vaadin | >= 10.0.0, < 10.0.17 |
| Vaadin | Vaadin | >= 11.0.0, < 14.0.0 |
| Vaadin | Vaadin | >= 14.0.0, < 14.4.7 |
| Vaadin | Vaadin | >= 15.0.0, < 17.0.0 |
| Vaadin | Vaadin | >= 18.0.0, < 18.0.6 |
References
- https://github.com/vaadin/flow/pull/9875Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-31404Vendor Advisory
- https://github.com/vaadin/flow/pull/9875Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-31404Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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