Search Guard versions before 21.0 had an timing side channel issue when using the internal user database.
Two 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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Search_guard | Search-guard | * | 21.0 (excluding) |