Vulnerability Details CVE-2022-39388
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 38.6%
CVSS Severity
CVSS v3 Score 7.6
References
- https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32
- https://github.com/istio/istio/commit/9a643e270421560afb2630e00f76d46a55499df9
- https://github.com/istio/istio/security/advisories/GHSA-6c6p-h79f-g6p4
- https://istio.io/latest/news/releases/1.15.x/announcing-1.15.3/
- https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32
- https://github.com/istio/istio/commit/9a643e270421560afb2630e00f76d46a55499df9
- https://github.com/istio/istio/security/advisories/GHSA-6c6p-h79f-g6p4
- https://istio.io/latest/news/releases/1.15.x/announcing-1.15.3/