Common Weakness Enumeration
CWE-444
AllowedInconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Abstraction: Base · Status: Incomplete
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.
710 vulnerabilities reference this CWE, most recent first.
CVE-2020-11076 (GCVE-0-2020-11076)
Vulnerability from cvelistv5 – Published: 2020-05-22 14:50 – Updated: 2024-08-04 11:21
VLAI
EPSS
VEX
Title
HTTP Smuggling via Transfer-Encoding Header in Puma
Summary
In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4.
Severity
7.5 (High)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/puma/puma/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/puma/puma/blob/master/History.… | x_refsource_MISC |
| https://github.com/puma/puma/commit/f24d5521295a2… | x_refsource_MISC |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
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CVE-2020-10719 (GCVE-0-2020-10719)
Vulnerability from cvelistv5 – Published: 2020-05-26 14:57 – Updated: 2024-08-04 11:14
VLAI
EPSS
VEX
Summary
A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.
Severity
6.5 (Medium)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2022021… | x_refsource_CONFIRM |
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CVE-2020-10687 (GCVE-0-2020-10687)
Vulnerability from cvelistv5 – Published: 2020-09-23 12:30 – Updated: 2024-08-04 11:06
VLAI
EPSS
VEX
Summary
A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1785049 | x_refsource_MISC |
| https://lists.apache.org/thread.html/r6603513ea8a… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2022021… | x_refsource_CONFIRM |
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CVE-2020-8287 (GCVE-0-2020-8287)
Vulnerability from cvelistv5 – Published: 2021-01-06 00:00 – Updated: 2025-04-30 22:24
VLAI
EPSS
VEX
Summary
Node.js versions before 10.23.1, 12.20.1, 14.15.4, 15.5.1 allow two copies of a header field in an HTTP request (for example, two Transfer-Encoding header fields). In this case, Node.js identifies the first header field and ignores the second. This can lead to HTTP Request Smuggling.
Severity
No CVSS data available.
CWE
- CWE-444 - HTTP Request Smuggling (CWE-444)
Assigner
References
10 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NodeJS | Node |
Affected:
4.0 , < 4.*
(semver)
Affected: 5.0 , < 5.* (semver) Affected: 6.0 , < 6.* (semver) Affected: 7.0 , < 7.* (semver) Affected: 8.0 , < 8.* (semver) Affected: 9.0 , < 9.* (semver) Affected: 10.0 , < 10.23.1 (semver) Affected: 11.0 , < 11.* (semver) Affected: 12.0 , < 12.20.1 (semver) Affected: 13.0 , < 13.* (semver) Affected: 14.0 , < 14.15.4 (semver) Affected: 15.0 , < 15.5.1 (semver) |
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CVE-2020-8201 (GCVE-0-2020-8201)
Vulnerability from cvelistv5 – Published: 2020-09-18 20:12 – Updated: 2025-04-30 22:24
VLAI
EPSS
VEX
Summary
Node.js < 12.18.4 and < 14.11 can be exploited to perform HTTP desync attacks and deliver malicious payloads to unsuspecting users. The payloads can be crafted by an attacker to hijack user sessions, poison cookies, perform clickjacking, and a multitude of other attacks depending on the architecture of the underlying system. The attack was possible due to a bug in processing of carrier-return symbols in the HTTP header names.
Severity
No CVSS data available.
CWE
- CWE-444 - HTTP Request Smuggling (CWE-444)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://nodejs.org/en/blog/vulnerability/septembe… | x_refsource_MISC |
| https://hackerone.com/reports/922597 | x_refsource_MISC |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://security.netapp.com/advisory/ntap-2020100… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/202101-07 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NodeJS | Node |
Affected:
4.0 , < 4.*
(semver)
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CVE-2020-5220 (GCVE-0-2020-5220)
Vulnerability from cvelistv5 – Published: 2020-01-27 20:15 – Updated: 2024-08-04 08:22
VLAI
EPSS
VEX
Title
Ability to expose data in Sylius by using an unintended serialisation group
Summary
Sylius ResourceBundle accepts and uses any serialisation groups to be passed via a HTTP header. This might lead to data exposure by using an unintended serialisation group - for example it could make Shop API use a more permissive group from Admin API. Anyone exposing an API with ResourceBundle's controller is affected. The vulnerable versions are: <1.3 || >=1.3.0 <=1.3.12 || >=1.4.0 <=1.4.5 || >=1.5.0 <=1.5.0 || >=1.6.0 <=1.6.2. The patch is provided for Sylius ResourceBundle 1.3.13, 1.4.6, 1.5.1 and 1.6.3, but not for any versions below 1.3.
Severity
4.4 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Sylius/SyliusResourceBundle/se… | x_refsource_CONFIRM |
| https://github.com/FriendsOfPHP/security-advisori… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Sylius | SyliusResourceBundle |
Affected:
< 1.3.13
Affected: >= 1.4.0, < 1.4.6 Affected: >= 1.5.0, < 1.5.1 Affected: >= 1.6.0, < 1.6.3 |
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CVE-2020-5218 (GCVE-0-2020-5218)
Vulnerability from cvelistv5 – Published: 2020-01-27 20:25 – Updated: 2024-08-04 08:22
VLAI
EPSS
VEX
Title
Ability in Sylius to switch channels via GET parameter enabled in production environments
Summary
Affected versions of Sylius give attackers the ability to switch channels via the _channel_code GET parameter in production environments. This was meant to be enabled only when kernel.debug is set to true. However, if no sylius_channel.debug is set explicitly in the configuration, the default value which is kernel.debug will be not resolved and cast to boolean, enabling this debug feature even if that parameter is set to false. Patch has been provided for Sylius 1.3.x and newer - 1.3.16, 1.4.12, 1.5.9, 1.6.5. Versions older than 1.3 are not covered by our security support anymore.
Severity
4.4 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Sylius/SyliusResourceBundle/se… | x_refsource_CONFIRM |
| https://github.com/FriendsOfPHP/security-advisori… | x_refsource_MISC |
Impacted products
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CVE-2020-5207 (GCVE-0-2020-5207)
Vulnerability from cvelistv5 – Published: 2020-01-27 19:30 – Updated: 2024-08-04 08:22
VLAI
EPSS
VEX
Title
Request smuggling is possible in Ktor when both chunked TE and content length specified
Summary
In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle \n as a headers separator.
Severity
5.4 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ktorio/ktor/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/ktorio/ktor/pull/1547 | x_refsource_MISC |
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CVE-2019-16792 (GCVE-0-2019-16792)
Vulnerability from cvelistv5 – Published: 2020-01-22 18:30 – Updated: 2024-08-05 01:24
VLAI
EPSS
VEX
Title
HTTP Request Smuggling: Content-Length Sent Twice in Waitress
Summary
Waitress through version 1.3.1 allows request smuggling by sending the Content-Length header twice. Waitress would header fold a double Content-Length header and due to being unable to cast the now comma separated value to an integer would set the Content-Length to 0 internally. If two Content-Length headers are sent in a single request, Waitress would treat the request as having no body, thereby treating the body of the request as a new request in HTTP pipelining. This issue is fixed in Waitress 1.4.0.
Severity
7.1 (High)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC |
| https://docs.pylonsproject.org/projects/waitress/… | x_refsource_MISC |
| https://github.com/Pylons/waitress/security/advis… | x_refsource_CONFIRM |
| https://github.com/Pylons/waitress/commit/575994c… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
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CVE-2019-16789 (GCVE-0-2019-16789)
Vulnerability from cvelistv5 – Published: 2019-12-26 16:40 – Updated: 2024-08-05 01:24
VLAI
EPSS
VEX
Title
HTTP Request Smuggling in Waitress: Invalid whitespace characters in headers
Summary
In Waitress through version 1.4.0, if a proxy server is used in front of waitress, an invalid request may be sent by an attacker that bypasses the front-end and is parsed differently by waitress leading to a potential for HTTP request smuggling. Specially crafted requests containing special whitespace characters in the Transfer-Encoding header would get parsed by Waitress as being a chunked request, but a front-end server would use the Content-Length instead as the Transfer-Encoding header is considered invalid due to containing invalid characters. If a front-end server does HTTP pipelining to a backend Waitress server this could lead to HTTP request splitting which may lead to potential cache poisoning or unexpected information disclosure. This issue is fixed in Waitress 1.4.1 through more strict HTTP field validation.
Severity
7.1 (High)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://access.redhat.com/errata/RHSA-2020:0720 | vendor-advisoryx_refsource_REDHAT |
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC |
| https://docs.pylonsproject.org/projects/waitress/… | x_refsource_MISC |
| https://github.com/github/advisory-review/pull/14604 | x_refsource_CONFIRM |
| https://github.com/Pylons/waitress/commit/11d9e13… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
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Mitigation
Implementation
Use a web server that employs a strict HTTP parsing procedure, such as Apache [REF-433].
Mitigation
Implementation
Use only SSL communication.
Mitigation
Implementation
Terminate the client session after each request.
Mitigation
System Configuration
Turn all pages to non-cacheable.
CAPEC-273: HTTP Response Smuggling
An adversary manipulates and injects malicious content in the form of secret unauthorized HTTP responses, into a single HTTP response from a vulnerable or compromised back-end HTTP agent (e.g., server).
See CanPrecede relationships for possible consequences.
CAPEC-33: HTTP Request Smuggling
An adversary abuses the flexibility and discrepancies in the parsing and interpretation of HTTP Request messages using various HTTP headers, request-line and body parameters as well as message sizes (denoted by the end of message signaled by a given HTTP header) by different intermediary HTTP agents (e.g., load balancer, reverse proxy, web caching proxies, application firewalls, etc.) to secretly send unauthorized and malicious HTTP requests to a back-end HTTP agent (e.g., web server).
See CanPrecede relationships for possible consequences.