CVE-2021-22119: Oracle Communications Cloud Native Core Policy

High severity, CVSS 7.5. EPSS: 6% chance of exploitation in the next 30 days.

Spring Security versions 5.5.x prior to 5.5.1, 5.4.x prior to 5.4.7, 5.3.x prior to 5.3.10 and 5.2.x prior to 5.2.11 are susceptible to a Denial-of-Service (DoS) attack via the initiation of the Authorization Request in an OAuth 2.0 Client Web and WebFlux application. A malicious user or attacker can send multiple requests initiating the Authorization Request for the Authorization Code Grant, which has the potential of exhausting system resources using a single session or multiple sessions.

Affected products

• Oracle Communications Cloud Native Core Policy: version 1.14.0 only
• VMware Spring Security: from 5.2.0, before 5.2.11 (fixed in 5.2.11); from 5.3.0, before 5.3.10 (fixed in 5.3.10); from 5.4.0, before 5.4.7 (fixed in 5.4.7); from 5.5.0, before 5.5.1 (fixed in 5.5.1)

Published 2021-06-29. Last modified 2026-06-17.