Dictionary attack with Spring Security queryable text encryptor
CVE-2020-5408
6.5MEDIUM
What is CVE-2020-5408?
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.
Affected Version(s)
Spring Security 4.2 < 4.2.16
Spring Security 5.0 < 5.0.16
Spring Security 5.1 < 5.1.10