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.
550 vulnerabilities reference this CWE, most recent first.
CVE-2021-37147 (GCVE-0-2021-37147)
Vulnerability from cvelistv5 – Published: 2021-11-03 15:20 – Updated: 2024-08-04 01:16
VLAI
EPSS
VEX
Title
Request Smuggling - LF line ending
Summary
Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.1.0.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/k01797hyncx53659w… | x_refsource_MISC |
| https://www.debian.org/security/2022/dsa-5153 | vendor-advisoryx_refsource_DEBIAN |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 to 8.1.2 and 9.0.0 to 9.1.0
|
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CVE-2021-34559 (GCVE-0-2021-34559)
Vulnerability from cvelistv5 – Published: 2021-08-31 10:32 – Updated: 2024-09-16 17:33
VLAI
EPSS
VEX
Title
A vulnerability in WirelessHART-Gateway <= 3.0.8 may allow remote attackers to rewrite links and URLs in cached pages to arbitrary strings
Summary
In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 a vulnerability may allow remote attackers to rewrite links and URLs in cached pages to arbitrary strings.
Severity
5.4 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-027 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH |
Affected:
3.0.8 , ≤ 3.0.8
(custom)
|
|
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH.EIP |
Affected:
3.0.8 , ≤ 3.0.8
(custom)
|
Date Public
2021-08-16 00:00
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CVE-2021-33683 (GCVE-0-2021-33683)
Vulnerability from cvelistv5 – Published: 2021-07-14 11:04 – Updated: 2024-08-03 23:58
VLAI
EPSS
VEX
Summary
SAP Web Dispatcher and Internet Communication Manager (ICM), versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.73, WEBDISP 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, KERNEL 7.21, 7.22, 7.49, 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, process invalid HTTP header. The incorrect handling of the invalid Transfer-Encoding header in a particular manner leads to a possibility of HTTP Request Smuggling attack. An attacker could exploit this vulnerability to bypass web application firewall protection, divert sensitive data such as customer requests, session credentials, etc.
Severity
5.4 (Medium)
CWE
- CWE-444 - (HTTP Request Smuggling)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://wiki.scn.sap.com/wiki/pages/viewpage.acti… | x_refsource_MISC |
| https://launchpad.support.sap.com/#/notes/3000663 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SAP SE | SAP Web Dispatcher and Internet Communication Manager |
Affected:
< KRNL32NUC 7.21
Affected: < 7.21EXT Affected: < 7.22 Affected: < 7.22EXT Affected: < KRNL32UC 7.21 Affected: < KRNL64NUC 7.21 Affected: < 7.49 Affected: < KRNL64UC 7.21 Affected: < 7.53 Affected: < 7.73 Affected: < WEBDISP 7.53 Affected: < 7.77 Affected: < 7.81 Affected: < 7.82 Affected: < 7.83 Affected: < KERNEL 7.21 |
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CVE-2021-33037 (GCVE-0-2021-33037)
Vulnerability from cvelistv5 – Published: 2021-07-12 14:55 – Updated: 2024-08-03 23:42
VLAI
EPSS
VEX
Title
Incorrect Transfer-Encoding handling with HTTP/1.0
Summary
Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.
Severity
No CVSS data available.
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
16 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
Apache Tomcat 10 10.0.0-M1 to 10.0.6
Affected: Apache Tomcat 9 9.0.0.M1 to 9.0.46 Affected: Apache Tomcat 8 8.5.0 to 8.5.66 |
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CVE-2021-32715 (GCVE-0-2021-32715)
Vulnerability from cvelistv5 – Published: 2021-07-07 20:05 – Updated: 2024-08-03 23:25
VLAI
EPSS
VEX
Title
Lenient Parsing of Content-Length Header When Prefixed with Plus Sign
Summary
hyper is an HTTP library for rust. hyper's HTTP/1 server code had a flaw that incorrectly parses and accepts requests with a `Content-Length` header with a prefixed plus sign, when it should have been rejected as illegal. This combined with an upstream HTTP proxy that doesn't parse such `Content-Length` headers, but forwards them, can result in "request smuggling" or "desync attacks". The flaw exists in all prior versions of hyper prior to 0.14.10, if built with `rustc` v1.5.0 or newer. The vulnerability is patched in hyper version 0.14.10. Two workarounds exist: One may reject requests manually that contain a plus sign prefix in the `Content-Length` header or ensure any upstream proxy handles `Content-Length` headers with a plus sign prefix.
Severity
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/hyperium/hyper/security/adviso… | x_refsource_CONFIRM |
| https://github.com/rust-lang/rust/pull/28826/comm… | x_refsource_MISC |
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CVE-2021-32565 (GCVE-0-2021-32565)
Vulnerability from cvelistv5 – Published: 2021-06-29 11:45 – Updated: 2024-08-03 23:25
VLAI
EPSS
VEX
Title
HTTP Request Smuggling, content length with invalid charters
Summary
Invalid values in the Content-Length header sent to Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
Severity
No CVSS data available.
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/ra1a41ff92a7… | x_refsource_MISC |
| https://www.debian.org/security/2021/dsa-4957 | vendor-advisoryx_refsource_DEBIAN |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1
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CVE-2021-27577 (GCVE-0-2021-27577)
Vulnerability from cvelistv5 – Published: 2021-06-29 11:45 – Updated: 2024-08-03 21:26
VLAI
EPSS
VEX
Title
Incorrect handling of url fragment leads to cache poisoning
Summary
Incorrect handling of url fragment vulnerability of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.
Severity
No CVSS data available.
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/ra1a41ff92a7… | x_refsource_MISC |
| https://www.debian.org/security/2021/dsa-4957 | vendor-advisoryx_refsource_DEBIAN |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1
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CVE-2021-22960 (GCVE-0-2021-22960)
Vulnerability from cvelistv5 – Published: 2021-11-03 19:22 – Updated: 2025-04-30 22:24
VLAI
EPSS
VEX
Summary
The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.
Severity
No CVSS data available.
CWE
- CWE-444 - HTTP Request Smuggling (CWE-444)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/1238099 | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpujan2022.html | x_refsource_MISC |
| https://www.debian.org/security/2022/dsa-5170 | vendor-advisoryx_refsource_DEBIAN |
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.* (semver) Affected: 11.0 , < 11.* (semver) Affected: 12.0 , < 12.22.7 (semver) Affected: 13.0 , < 13.* (semver) Affected: 14.0 , < 14.18.1 (semver) Affected: 15.0 , < 15.* (semver) Affected: 16.0 , < 16.11.1 (semver) |
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CVE-2021-22959 (GCVE-0-2021-22959)
Vulnerability from cvelistv5 – Published: 2021-11-15 14:45 – Updated: 2025-04-30 22:24
VLAI
EPSS
VEX
Summary
The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.
Severity
No CVSS data available.
CWE
- CWE-444 - HTTP Request Smuggling (CWE-444)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/1238709 | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpujan2022.html | x_refsource_MISC |
| https://www.debian.org/security/2022/dsa-5170 | vendor-advisoryx_refsource_DEBIAN |
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.* (semver) Affected: 11.0 , < 11.* (semver) Affected: 12.0 , < 12.22.7 (semver) Affected: 13.0 , < 13.* (semver) Affected: 14.0 , < 14.18.1 (semver) Affected: 15.0 , < 15.* (semver) Affected: 16.0 , < 16.11.1 (semver) |
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CVE-2021-21409 (GCVE-0-2021-21409)
Vulnerability from cvelistv5 – Published: 2021-03-30 15:05 – Updated: 2024-08-03 18:09
VLAI
EPSS
VEX
Title
Possible request smuggling in HTTP/2 due missing validation of content-length
Summary
Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty (io.netty:netty-codec-http2) before version 4.1.61.Final there is a vulnerability that enables request smuggling. The content-length header is not correctly validated if the request only uses a single Http2HeaderFrame with the endStream set to to true. This could lead to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1. This is a followup of GHSA-wm47-8v5p-wjpj/CVE-2021-21295 which did miss to fix this one case. This was fixed as part of 4.1.61.Final.
Severity
5.9 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
References
59 references
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"name": "[pulsar-commits] 20210419 [GitHub] [pulsar] lhotari opened a new pull request #10266: [Security] Upgrade Netty to 4.1.63.Final to address CVE-2021-21409",
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"name": "[zookeeper-notifications] 20210408 [GitHub] [zookeeper] ayushmantri opened a new pull request #1678: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-notifications] 20210408 [GitHub] [zookeeper] arshadmohammad commented on pull request #1678: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-commits] 20210408 [zookeeper] branch master updated: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-commits] 20210408 [zookeeper] branch branch-3.6 updated: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-commits] 20210408 [zookeeper] branch branch-3.7 updated: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-notifications] 20210408 [GitHub] [zookeeper] asfgit closed pull request #1678: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-commits] 20210408 [zookeeper] 01/02: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[pulsar-commits] 20210419 [GitHub] [pulsar] lhotari opened a new pull request #10266: [Security] Upgrade Netty to 4.1.63.Final to address CVE-2021-21409",
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"name": "[pulsar-commits] 20210419 [GitHub] [pulsar] lhotari commented on pull request #10266: [Security] Upgrade Netty to 4.1.63.Final to address CVE-2021-21409",
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"name": "[pulsar-commits] 20210420 [GitHub] [pulsar] eolivelli merged pull request #10266: [Security] Upgrade Netty to 4.1.63.Final to address CVE-2021-21409",
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{
"name": "[flink-issues] 20210424 [jira] [Created] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
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{
"name": "[flink-dev] 20210424 [jira] [Created] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
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{
"name": "[flink-issues] 20210426 [jira] [Commented] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
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{
"name": "[flink-issues] 20210426 [jira] [Updated] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
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"name": "[kafka-jira] 20210506 [GitHub] [kafka] dongjinleekr opened a new pull request #10642: KAFKA-12756: Update Zookeeper to 3.6.3 or higher",
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"name": "[flink-issues] 20210511 [jira] [Commented] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
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{
"name": "[zookeeper-issues] 20210517 [jira] [Updated] (ZOOKEEPER-4295) Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21409 in branch-3.5",
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"name": "[zookeeper-issues] 20210517 [jira] [Created] (ZOOKEEPER-4295) Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21409 in branch-3.5",
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"name": "[zookeeper-dev] 20210517 [jira] [Created] (ZOOKEEPER-4295) Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21409 in branch-3.5",
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"name": "[zookeeper-notifications] 20210517 [GitHub] [zookeeper] gpiyush-dev opened a new pull request #1696: ZOOKEEPER-4295: Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21409 in branch-3.5",
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"name": "[zookeeper-notifications] 20210521 [GitHub] [zookeeper] maoling commented on pull request #1696: ZOOKEEPER-4295: Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21409 in branch-3.5",
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{
"name": "[flink-issues] 20210610 [jira] [Updated] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
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"name": "[flink-issues] 20210618 [jira] [Updated] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
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"name": "[zookeeper-issues] 20210727 [jira] [Commented] (ZOOKEEPER-4278) dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-issues] 20210727 [jira] [Comment Edited] (ZOOKEEPER-4278) dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-notifications] 20210727 [GitHub] [zookeeper] sandipbhattacharya commented on pull request #1678: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[kudu-issues] 20210904 [jira] [Created] (KUDU-3313) There is a CVE-2021-21409 vulnerability in netty version 4.1.60",
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"name": "[kudu-issues] 20210907 [jira] [Resolved] (KUDU-3313) There is a CVE-2021-21409 vulnerability in netty version 4.1.60",
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"name": "[zookeeper-issues] 20210922 [jira] [Commented] (ZOOKEEPER-4278) dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-issues] 20210923 [jira] [Commented] (ZOOKEEPER-4278) dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"value": "Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers \u0026 clients. In Netty (io.netty:netty-codec-http2) before version 4.1.61.Final there is a vulnerability that enables request smuggling. The content-length header is not correctly validated if the request only uses a single Http2HeaderFrame with the endStream set to to true. This could lead to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1. This is a followup of GHSA-wm47-8v5p-wjpj/CVE-2021-21295 which did miss to fix this one case. This was fixed as part of 4.1.61.Final."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-444 Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request Smuggling\u0027)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/netty/netty/security/advisories/GHSA-f256-j965-7f32",
"refsource": "CONFIRM",
"url": "https://github.com/netty/netty/security/advisories/GHSA-f256-j965-7f32"
},
{
"name": "https://github.com/netty/netty/security/advisories/GHSA-wm47-8v5p-wjpj",
"refsource": "MISC",
"url": "https://github.com/netty/netty/security/advisories/GHSA-wm47-8v5p-wjpj"
},
{
"name": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21295",
"refsource": "MISC",
"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21295"
},
{
"name": "https://github.com/netty/netty/commit/b0fa4d5aab4215f3c22ce6123dd8dd5f38dc0432",
"refsource": "MISC",
"url": "https://github.com/netty/netty/commit/b0fa4d5aab4215f3c22ce6123dd8dd5f38dc0432"
},
{
"name": "DSA-4885",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2021/dsa-4885"
},
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"name": "[zookeeper-notifications] 20210408 [GitHub] [zookeeper] arshadmohammad commented on pull request #1678: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-notifications] 20210408 [GitHub] [zookeeper] asfgit closed pull request #1678: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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{
"name": "[zookeeper-commits] 20210408 [zookeeper] 01/02: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-issues] 20210409 [jira] [Commented] (ZOOKEEPER-4278) dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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{
"name": "[pulsar-commits] 20210419 [GitHub] [pulsar] lhotari opened a new pull request #10266: [Security] Upgrade Netty to 4.1.63.Final to address CVE-2021-21409",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rf38e4dcdefc7c59f7ba0799a399d6d6e37b555d406a1dfc2fcbf0b35@%3Ccommits.pulsar.apache.org%3E"
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"name": "[pulsar-commits] 20210419 [GitHub] [pulsar] lhotari commented on pull request #10266: [Security] Upgrade Netty to 4.1.63.Final to address CVE-2021-21409",
"refsource": "MLIST",
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"name": "[pulsar-commits] 20210420 [GitHub] [pulsar] eolivelli merged pull request #10266: [Security] Upgrade Netty to 4.1.63.Final to address CVE-2021-21409",
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"name": "[flink-issues] 20210424 [jira] [Created] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
"refsource": "MLIST",
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{
"name": "[flink-dev] 20210424 [jira] [Created] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/ra64d56a8a331ffd7bdcd24a9aaaeeedeacd5d639f5a683389123f898@%3Cdev.flink.apache.org%3E"
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{
"name": "[flink-issues] 20210426 [jira] [Commented] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rd8f72411fb75b98d366400ae789966373b5c3eb3f511e717caf3e49e@%3Cissues.flink.apache.org%3E"
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{
"name": "[flink-issues] 20210426 [jira] [Updated] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/re7c69756a102bebce8b8681882844a53e2f23975a189363e68ad0324@%3Cissues.flink.apache.org%3E"
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{
"name": "[kafka-jira] 20210506 [GitHub] [kafka] dongjinleekr opened a new pull request #10642: KAFKA-12756: Update Zookeeper to 3.6.3 or higher",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rbde2f13daf4911504f0eaea43eee4f42555241b5f6d9d71564b6c5fa@%3Cjira.kafka.apache.org%3E"
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{
"name": "[flink-issues] 20210511 [jira] [Commented] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r855b4b6814ac829ce2d48dd9d8138d07f33387e710de798ee92c011e@%3Cissues.flink.apache.org%3E"
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"name": "[zookeeper-notifications] 20210517 [GitHub] [zookeeper] gpiyush-dev opened a new pull request #1696: ZOOKEEPER-4295: Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21409 in branch-3.5",
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"name": "[zookeeper-notifications] 20210521 [GitHub] [zookeeper] maoling commented on pull request #1696: ZOOKEEPER-4295: Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21409 in branch-3.5",
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"name": "[flink-issues] 20210610 [jira] [Updated] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r0b09f3e31e004fe583f677f7afa46bd30110904576c13c5ac818ac2c@%3Cissues.flink.apache.org%3E"
},
{
"name": "[flink-issues] 20210618 [jira] [Updated] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r602e98daacc98934f097f07f2eed6eb07c18bfc1949c8489dc7bfcf5@%3Cissues.flink.apache.org%3E"
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{
"name": "[zookeeper-issues] 20210727 [jira] [Commented] (ZOOKEEPER-4278) dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rba2a9ef1d0af882ab58fadb336a58818495245dda43d32a7d7837187@%3Cissues.zookeeper.apache.org%3E"
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"name": "[zookeeper-issues] 20210727 [jira] [Comment Edited] (ZOOKEEPER-4278) dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"name": "[zookeeper-notifications] 20210727 [GitHub] [zookeeper] sandipbhattacharya commented on pull request #1678: ZOOKEEPER-4278: dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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{
"name": "[kudu-issues] 20210904 [jira] [Created] (KUDU-3313) There is a CVE-2021-21409 vulnerability in netty version 4.1.60",
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"url": "https://lists.apache.org/thread.html/rd4a6b7dec38ea6cd28b6f94bd4b312629a52b80be3786d5fb0e474bc@%3Cissues.kudu.apache.org%3E"
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"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rca0978b634a0c3ebee4126ec29c7f570b165fae3f8f3658754c1cbd3@%3Cissues.kudu.apache.org%3E"
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"name": "[kudu-issues] 20210907 [jira] [Resolved] (KUDU-3313) There is a CVE-2021-21409 vulnerability in netty version 4.1.60",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rf934292a4a1c189827f625d567838d2c1001e4739b158638d844105b@%3Cissues.kudu.apache.org%3E"
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"name": "[kudu-issues] 20210907 [jira] [Commented] (KUDU-3313) There is a CVE-2021-21409 vulnerability in netty version 4.1.60",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/ra655e5cec74d1ddf62adacb71d398abd96f3ea2c588f6bbf048348eb@%3Cissues.kudu.apache.org%3E"
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"name": "[kudu-issues] 20210907 [jira] [Updated] (KUDU-3313) There is a CVE-2021-21409 vulnerability in netty version 4.1.60",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r4ea2f1a9d79d4fc1896e085f31fb60a21b1770d0a26a5250f849372d@%3Cissues.kudu.apache.org%3E"
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"name": "[zookeeper-issues] 20210922 [jira] [Commented] (ZOOKEEPER-4278) dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"url": "https://lists.apache.org/thread.html/r6dac9bd799ceac499c7a7e152a9b0dc7f2fe7f89ec5605d129bb047b@%3Cissues.zookeeper.apache.org%3E"
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"name": "[zookeeper-issues] 20210923 [jira] [Commented] (ZOOKEEPER-4278) dependency-check:check failing - netty-transport-4.1.60.Final CVE-2021-21409",
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"url": "https://lists.apache.org/thread.html/r31044fb995e894749cb821c6fe56f487c16a97028e6e360e59f09d58@%3Cissues.zookeeper.apache.org%3E"
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"name": "[zookeeper-issues] 20210923 [jira] [Created] (ZOOKEEPER-4385) Backport ZOOKEEPER-4278 to branch-3.5 to Address CVE-2021-21409",
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"name": "[zookeeper-dev] 20210923 [jira] [Created] (ZOOKEEPER-4385) Backport ZOOKEEPER-4278 to branch-3.5 to Address CVE-2021-21409",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rcae42fba06979934208bbd515584b241d3ad01d1bb8b063512644362@%3Cdev.zookeeper.apache.org%3E"
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"name": "[zookeeper-issues] 20210923 [jira] [Assigned] (ZOOKEEPER-4385) Backport ZOOKEEPER-4278 to branch-3.5 to Address CVE-2021-21409",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r9ec78dc409f3f1edff88f21cab53737f36aad46f582a9825389092e0@%3Cissues.zookeeper.apache.org%3E"
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"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r7b54563abebe3dbbe421e1ba075c2030d8d460372f8c79b7789684b6@%3Cissues.zookeeper.apache.org%3E"
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"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r967002f0939e69bdec58f070735a19dd57c1f2b8f817949ca17cddae@%3Cissues.zookeeper.apache.org%3E"
},
{
"name": "[zookeeper-commits] 20210924 [zookeeper] branch branch-3.5 updated: ZOOKEEPER-4385. Backport ZOOKEEPER-4278 to branch-3.5 to Address CVE-2021-21409",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r9fe840c36b74f92b8d4a089ada1f9fd1d6293742efa18b10e06b66d2@%3Ccommits.zookeeper.apache.org%3E"
},
{
"name": "https://www.oracle.com/security-alerts/cpuoct2021.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
},
{
"name": "[pulsar-commits] 20211020 [GitHub] [pulsar] Shoothzj opened a new pull request #12437: [Security] Bump grpc to 1.41.0",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r584cf871f188c406d8bd447ff4e2fd9817fca862436c064d0951a071@%3Ccommits.pulsar.apache.org%3E"
},
{
"name": "https://www.oracle.com/security-alerts/cpujan2022.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpujan2022.html"
},
{
"name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
}
]
},
"source": {
"advisory": "GHSA-f256-j965-7f32",
"discovery": "UNKNOWN"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2021-21409",
"datePublished": "2021-03-30T15:05:17.000Z",
"dateReserved": "2020-12-22T00:00:00.000Z",
"dateUpdated": "2024-08-03T18:09:16.144Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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.