CVE-2021-31921

CRITICAL

9.8

Description

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published6/2/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

istio:istio

Weaknesses (CWE)

CWE-862

References

https://istio.io/latest/news/security/istio-security-2021-006/(cve@mitre.org)

https://istio.io/latest/news/security/istio-security-2021-006/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.