---
cve: "CVE-2022-39388"
severity: "HIGH"
cvss: 7.6
epss: "48%"
vendor: "istio"
kev: false
exploited: false
published: "2022-11-10 20:15:10"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-14T01:26:45+02:00"
---

# CVE-2022-39388

> 7.6 HIGH · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Benachbart | warn |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- 346260e5115e9fbc65ba8a559bc686e6ca046a32 (Commit)
- 9a643e270421560afb2630e00f76d46a55499df9 (Commit)

## Referenzen

- <https://github.com/istio/istio/security/advisories/GHSA-6c6p-h79f-g6p4>
- <https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32>
- <https://github.com/istio/istio/commit/9a643e270421560afb2630e00f76d46a55499df9>
- <https://istio.io/latest/news/releases/1.15.x/announcing-1.15.3/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-39388) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_