CVE-2021-22051: VMware Spring Cloud Gateway

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.

Affected products

• VMware Spring Cloud Gateway: before 2.2.10 (fixed in 2.2.10); from 3.0.0, before 3.0.5 (fixed in 3.0.5)

Published 2021-11-08. Last modified 2026-06-17.