CVE-2021-31403
23.04.2021, 16:15
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 attackEnginsight
| Vendor | Product | Version |
|---|---|---|
| vaadin | vaadin | 7.0.0 ≤ 𝑥 < 7.7.24 |
| vaadin | vaadin | 8.0.0 ≤ 𝑥 < 8.12.3 |
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.