VYPR

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

BaseIncomplete

Description

The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

Hierarchy (View 1000)

Parents

Children

none

Related attack patterns (CAPEC)

CAPEC-273 · CAPEC-33

CVEs mapped to this weakness (386)

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  • CVE-2022-22536CriKEVFeb 9, 2022
    risk 0.88cvss 10.0epss 0.98

    SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher are vulnerable for request smuggling and request concatenation. An unauthenticated attacker can prepend a victim's request with arbitrary…

  • CVE-2023-41265CriKEVAug 29, 2023
    risk 0.87cvss 9.6epss 0.84

    An HTTP Request Tunneling vulnerability found in Qlik Sense Enterprise for Windows for versions May 2023 Patch 3 and earlier, February 2023 Patch 7 and earlier, November 2022 Patch 10 and earlier, and August 2022 Patch 12 and earlier allows a remote attacker to elevate their…

  • CVE-2023-48365CriKEVNov 15, 2023
    risk 0.82cvss 9.6epss 0.25

    Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683. Due to improper validation of HTTP headers, a remote attacker is able to elevate their privilege by tunneling HTTP requests, allowing them to execute HTTP…

  • CVE-2025-61884HigKEVOct 12, 2025
    risk 0.75cvss 7.5epss 0.98

    Vulnerability in the Oracle Configurator product of Oracle E-Business Suite (component: Runtime UI). Supported versions that are affected are 12.2.3-12.2.14. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle…

  • CVE-2023-25690CriMar 7, 2023
    risk 0.70cvss 9.8epss 0.84

    Some mod_proxy configurations on Apache HTTP Server versions 2.4.0 through 2.4.55 allow a HTTP Request Smuggling attack. Configurations are affected when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch in which a non-specific pattern matches some…

  • CVE-2021-30180CriJun 1, 2021
    risk 0.69cvss 9.8epss 0.60

    Apache Dubbo prior to 2.7.9 support Tag routing which will enable a customer to route the request to the right server. These rules are used by the customers when making a request in order to find the right endpoint. When parsing these YAML rules, Dubbo customers may enable…

  • CVE-2019-15605CriFeb 7, 2020
    risk 0.68cvss 9.8epss 0.57

    HTTP request smuggling in Node.js 10, 12, and 13 causes malicious payload delivery when transfer-encoding is malformed

  • CVE-2025-55315CriOct 14, 2025
    risk 0.66cvss 9.9epss 0.66

    Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.

  • CVE-2022-22720CriMar 14, 2022
    risk 0.66cvss 9.8epss 0.28

    Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling

  • CVE-2025-1867CriMar 3, 2025
    risk 0.65cvss epss 0.00

    Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in ithewei libhv allows HTTP Response Smuggling.This issue affects libhv: through 1.3.3.

  • CVE-2020-15049CriJun 30, 2020
    risk 0.65cvss 9.9epss 0.06

    An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon…

  • CVE-2018-3907CriAug 24, 2018
    risk 0.65cvss 10.0epss 0.01

    An exploitable vulnerability exists in the REST parser of video-core's HTTP server of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The video-core process incorrectly handles pipelined HTTP requests, which allows successive requests to overwrite the…

  • CVE-2017-7658CriJun 26, 2018
    risk 0.65cvss 9.8epss 0.21

    In Eclipse Jetty Server, versions 9.2.x and older, 9.3.x (all non HTTP/1.x configurations), and 9.4.x (all HTTP/1.x configurations), when presented with two content-lengths headers, Jetty ignored the second. When presented with a content-length and a chunked encoding header, the…

  • CVE-2017-7657CriJun 26, 2018
    risk 0.65cvss 9.8epss 0.16

    In Eclipse Jetty, versions 9.2.x and older, 9.3.x (all configurations), and 9.4.x (non-default configuration with RFC2616 compliance enabled), transfer-encoding chunks are handled poorly. The chunk length parsing was vulnerable to an integer overflow. Thus a large chunk size…

  • CVE-2026-41873CriApr 28, 2026
    risk 0.64cvss 9.8epss 0.00

    ** UNSUPPORTED WHEN ASSIGNED ** Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Pony Mail leading to admin account takeover. This issue affects all versions of the Lua implementation of Pony Mail. There is a Python…

  • CVE-2026-4700CriMar 24, 2026
    risk 0.64cvss 9.8epss 0.00

    Mitigation bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

  • CVE-2025-56266CriSep 8, 2025
    risk 0.64cvss 9.8epss 0.03

    A Host Header Injection vulnerability in Avigilon ACM v7.10.0.20 allows attackers to execute arbitrary code via supplying a crafted URL.

  • CVE-2024-10264CriMar 20, 2025
    risk 0.64cvss 9.8epss 0.01

    HTTP Request Smuggling vulnerability in netease-youdao/qanything version 1.4.1 allows attackers to exploit inconsistencies in the interpretation of HTTP requests between a proxy and a server. This can lead to unauthorized access, bypassing security controls, session hijacking,…

  • CVE-2024-27922CriMar 21, 2024
    risk 0.64cvss 9.8epss 0.01

    TOMP Bare Server implements the TompHTTP bare server. A vulnerability in versions prior to 2.0.2 relates to insecure handling of HTTP requests by the @tomphttp/bare-server-node package. This flaw potentially exposes the users of the package to manipulation of their web traffic.…

  • CVE-2024-22081CriMar 20, 2024
    risk 0.64cvss 9.8epss 0.01

    An issue was discovered in Elspec G5 digital fault recorder versions 1.1.4.15 and before. Unauthenticated memory corruption can occur in the HTTP header parsing mechanism.