CVE-2021-31921

Istio before 1.8.6 and 1.9.x before 1.9.5 contains a remotely exploitable vulnerability where an external client can access unexpected services in the cluster, bypassing authorization checks, when a gateway is configured with AUTO_PASSTHROUGH routing configuration.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2021-06-02

Last modified

2024-08-03

Weaknesses

CWE-862

Affected products

• Istio (Istio)

References

• https://istio.io/latest/news/security/istio-security-2021-006/