CVE-2022-39388

Istio may allow identity impersonation if user has localhost access

Published Nov 10, 2022 CVSS 3.1 · 7.6 High EPSS < 1% KEV · Not listed
Description
Istio is an open platform to connect, manage, and secure microservices. In versions on the 1.15.x branch prior to 1.15.3, a user can impersonate any workload identity within the service mesh if they have localhost access to the Istiod control plane. Version 1.15.3 contains a patch for this issue. There are no known workarounds.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-7256 Istio is an open platform to connect, manage, and secure microservices. In versions on the 1.15.x branch prior to 1.15.3, a user can impersonate any workload identity within the service mesh if they have localhost access to the Istiod control plane. Version 1.15.3 contains a patch for this issue. There are no known workarounds.
Github GHSA Github GHSA GHSA-6c6p-h79f-g6p4 Istio may allow identity impersonation if user has localhost access
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Apr 23, 2025, 4:39 PM
Reserved
Sep 2, 2022, 12:00 AM
Status
Modified
Published
Nov 10, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:58 AM