CVE-2023-20861: VMware Spring Framework

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

In Spring Framework versions 6.0.0 - 6.0.6, 5.3.0 - 5.3.25, 5.2.0.RELEASE - 5.2.22.RELEASE, and older unsupported versions, it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.

Affected products

• VMware Spring Framework: up to and including 5.2.22; from 5.3.0, up to and including 5.3.25; from 6.0.0, up to and including 6.0.6

Published 2023-03-23. Last modified 2026-06-17.