CVE-2020-5408
Insufficient Entropy in Spring Security
6.5
MEDIUM
CVSS 3.1
EPSS 0.41%
Description
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.
How to fix CVE-2020-5408
To remediate CVE-2020-5408, upgrade the affected package to a fixed version below.
- —upgrade to 5.3.2 or later
Is CVE-2020-5408 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 5.3.0, < 5.3.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |