Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16 and 4.2.x prior to 4.2.16 use a fixed null initialization vector with CBC Mode in the implementation of the queryable text encryptor. A malicious user with access to the data that has been encrypted using such an encryptor may be able to derive the unencrypted values using a dictionary attack.
{ "nvd_published_at": "2020-05-14T18:15:00Z", "github_reviewed_at": "2020-06-11T20:44:52Z", "severity": "MODERATE", "github_reviewed": true, "cwe_ids": [ "CWE-329", "CWE-330" ] }