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I. Basic Information for CVE-2022-21655
Vulnerability Information

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Vulnerability Title
Incorrect handling of internal redirects results in crash in Envoy
Source: NVD (National Vulnerability Database)
Vulnerability Description
Envoy is an open source edge and service proxy, designed for cloud-native applications. The envoy common router will segfault if an internal redirect selects a route configured with direct response or redirect actions. This will result in a denial of service. As a workaround turn off internal redirects if direct response entries are configured on the same listener.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
控制流实现总是不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Envoy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Envoy是一款开源的分布式代理服务器。 Envoy 存在安全漏洞,该漏洞源于Envoy内部重定向选择配置了直接响应或重定向动作的路由,特使通用路由器将出现分段故障。
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
VendorProductAffected VersionsCPESubscribe
envoyproxyenvoy < 1.18.6 -
II. Public POCs for CVE-2022-21655
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III. Intelligence Information for CVE-2022-21655
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IV. Related Vulnerabilities
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