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envoyproxy envoy vulnerabilities and exploits
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7.5
CVSSv3
CVE-2021-43824
Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions a crafted request crashes Envoy when a CONNECT request is sent to JWT filter configured with regex match. This provides a denial of service attack vector. The only workaro...
Envoyproxy Envoy
7.5
CVSSv3
CVE-2021-43826
Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions of Envoy a crash occurs when configured for :ref:`upstream tunneling <envoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.tunneling_config>` and the ...
Envoyproxy Envoy
7.5
CVSSv3
CVE-2023-35943
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, the CORS filter will segfault and crash Envoy when the `origin` header is removed and deleted between `decodeHeaders`and `encodeH...
Envoyproxy Envoy
5.3
CVSSv3
CVE-2023-35944
Envoy is an open source edge and service proxy designed for cloud-native applications. Envoy allows mixed-case schemes in HTTP/2, however, some internal scheme checks are case-sensitive. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, this can lead to the rejectio...
Envoyproxy Envoy
8.3
CVSSv3
CVE-2020-25017
Envoy up to and including 1.15.0 only considers the first value when multiple header values are present for some HTTP headers. Envoy’s setCopy() header map API does not replace all existing occurences of a non-inline header.
Envoyproxy Envoy
9.8
CVSSv3
CVE-2019-18801
An issue exists in Envoy 1.12.0. An untrusted remote client may send HTTP/2 requests that write to the heap outside of the request buffers when the upstream is HTTP/1. This may be used to corrupt nearby heap contents (leading to a query-of-death scenario) or may be used to bypass...
Envoyproxy Envoy
8.8
CVSSv3
CVE-2020-35470
Envoy prior to 1.16.1 logs an incorrect downstream address because it considers only the directly connected peer, not the information in the proxy protocol header. This affects situations with tcp-proxy as the network filter (not HTTP filters).
Envoyproxy Envoy
9.8
CVSSv3
CVE-2019-18802
An issue exists in Envoy 1.12.0. An untrusted remote client may send an HTTP header (such as Host) with whitespace after the header content. Envoy will treat "header-value " as a different string from "header-value" so for example with the Host header "ex...
Envoyproxy Envoy
7.5
CVSSv3
CVE-2019-18838
An issue exists in Envoy 1.12.0. Upon receipt of a malformed HTTP request without a Host header, it sends an internally generated "Invalid request" response. This internally generated response is dispatched through the configured encoder filter chain before being sent t...
Envoyproxy Envoy
7.5
CVSSv3
CVE-2024-23322
Envoy is a high-performance edge/middle/service proxy. Envoy will crash when certain timeouts happen within the same interval. The crash occurs when the following are true: 1. hedge_on_per_try_timeout is enabled, 2. per_try_idle_timeout is enabled (it can only be done in configur...
Envoyproxy Envoy
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-36954
CVE-2024-36933
CVE-2024-24919
CVE-2024-36923
CVE-2024-2961
CVE-2024-36925
bypass
encryption
command injection
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