CVE-2022-39388— Istio may allow identity impersonation if user has localhost access
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I. Basic Information for CVE-2022-39388
Vulnerability Information
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Vulnerability Title
Istio may allow identity impersonation if user has localhost access
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Istio 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Istio是一套连接、管理和保护微服务的开放平台。 Istio 1.15.x至1.15.3之前版本的分支存在安全漏洞，该漏洞源于拥有对Istiod控制平面的本地主机访问权限的用户可以在服务网格中模拟任何工作负载标识。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2022-39388
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IV. Related Vulnerabilities
Same product: istio
- CVE-2026-41413
Istio Vulnerable to SSRF via RequestAuthentication jwksUri - CVE-2026-39350
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Istio JWKS resolver to prevent private key material from bei - CVE-2022-39278
Istio vulnerable to denial of service attack due to Golang R
Same vendor: istio
- CVE-2026-41413
Istio Vulnerable to SSRF via RequestAuthentication jwksUri - CVE-2026-39350
Istio AuthorizationPolicy Incorrect Regex Matching of Dots i - CVE-2026-31838
Istio HTTP debug endpoints on port 15014 to enforce namespac - CVE-2026-31837
Istio JWKS resolver to prevent private key material from bei - CVE-2022-39278
Istio vulnerable to denial of service attack due to Golang R
Same weakness: CWE-863
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V. Comments for CVE-2022-39388
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