Vulnerability in Pivotal Software Spring Security

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.

EPSS: 0.016 (74.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-5408?
CVE-2020-5408 is a medium-severity vulnerability in Pivotal Software Spring Security, classified under Generation of Predictable IV with CBC Mode. CVSS score: 6.5/10. Published 2020-05-14.
How severe is CVE-2020-5408?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-5408 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.