CVE-2021-31406
23.04.2021, 16:15
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.Enginsight
| Vendor | Product | Version |
|---|---|---|
| vaadin | flow | 3.0.0 ≤ 𝑥 < 5.0.4 |
| vaadin | flow | 6.0.0 |
| vaadin | vaadin | 15.0.0 ≤ 𝑥 < 18.0.7 |
| vaadin | vaadin | 19.0.0 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
- CWE-208 - Observable Timing DiscrepancyTwo separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.
- CWE-203 - Observable DiscrepancyThe product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.