5.9
CVSSv3

CVE-2021-21409

CVSSv4: NA | CVSSv3: 5.9 | CVSSv2: 4.3 | VMScore: 690 | EPSS: 0.04983 | KEV: Not Included
Published: 30/03/2021 Updated: 21/11/2024

Vulnerability 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.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

netty netty

debian debian linux 10.0

netapp oncommand api services -

netapp oncommand workflow automation -

oracle banking corporate lending process management 14.2.0

oracle banking corporate lending process management 14.3.0

oracle banking corporate lending process management 14.5.0

oracle banking credit facilities process management 14.2.0

oracle banking credit facilities process management 14.3.0

oracle banking credit facilities process management 14.5.0

oracle banking trade finance process management 14.2.0

oracle banking trade finance process management 14.3.0

oracle banking trade finance process management 14.5.0

oracle coherence 12.2.1.4.0

oracle coherence 14.1.1.0.0

oracle communications brm - elastic charging engine 12.0.0.3

oracle communications cloud native core console 1.7.0

oracle communications cloud native core policy 1.14.0

oracle communications design studio 7.4.2.0.0

oracle communications messaging server 8.1

oracle helidon 1.4.10

oracle helidon 2.4.0

oracle jd edwards enterpriseone tools

oracle nosql database

oracle primavera gateway

quarkus quarkus

Vendor Advisories

Debian Bug report logs - #986217 netty: CVE-2021-21409 Package: src:netty; Maintainer for src:netty is Debian Java Maintainers <pkg-java-maintainers@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Wed, 31 Mar 2021 19:21:02 UTC Severity: grave Tags: security, upstream Found in ve ...
Synopsis Moderate: Satellite 611 Release Type/Severity Security Advisory: Moderate Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update is now available for Red Hat Satellite 611 Description Red Hat Satellite is a systems management tool for Linux-basedin ...
Multiple security issues were discovered in Netty, a Java NIO client/server framework, which could result in HTTP request smuggling, denial of service or information disclosure For the stable distribution (buster), these problems have been fixed in version 1:4133-1+deb10u2 We recommend that you upgrade your netty packages For the detailed secu ...
No description is available for this CVE ...

References

CWE-444CWE-444https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986217https://nvd.nist.govhttps://www.first.org/epsshttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21295https://github.com/netty/netty/commit/b0fa4d5aab4215f3c22ce6123dd8dd5f38dc0432https://github.com/netty/netty/security/advisories/GHSA-f256-j965-7f32https://github.com/netty/netty/security/advisories/GHSA-wm47-8v5p-wjpjhttps://lists.apache.org/thread.html/r0b09f3e31e004fe583f677f7afa46bd30110904576c13c5ac818ac2c%40%3Cissues.flink.apache.org%3Ehttps://lists.apache.org/thread.html/r0ca82fec33334e571fe5b388272260778883e307e15415d7b1443de2%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r101f82d8f3b5af0bf79aecbd5b2dd3b404f6bb51d1a54c2c3d29bed9%40%3Cnotifications.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r1b3cb056364794f919aaf26ceaf7423de64e7fdd05a914066e7d5219%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r2732aa3884cacfecac4c54cfaa77c279ba815cad44b464a567216f83%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r31044fb995e894749cb821c6fe56f487c16a97028e6e360e59f09d58%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r4a98827bb4a7edbd69ef862f2351391845697c40711820d10df52ca5%40%3Ccommits.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r4b8be87acf5b9c098a2ee350b5ca5716fe7afeaf0a21a4ee45a90687%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r4ea2f1a9d79d4fc1896e085f31fb60a21b1770d0a26a5250f849372d%40%3Cissues.kudu.apache.org%3Ehttps://lists.apache.org/thread.html/r584cf871f188c406d8bd447ff4e2fd9817fca862436c064d0951a071%40%3Ccommits.pulsar.apache.org%3Ehttps://lists.apache.org/thread.html/r5baac01f9e06c40ff7aab209d5751b3b58802c63734e33324b70a06a%40%3Cissues.flink.apache.org%3Ehttps://lists.apache.org/thread.html/r5cbea8614812289a9b98d0cfc54b47f54cef424ac98d5e315b791795%40%3Cnotifications.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r5f2f120b2b8d099226473db1832ffb4d7c1d6dc2d228a164bf293a8e%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r602e98daacc98934f097f07f2eed6eb07c18bfc1949c8489dc7bfcf5%40%3Cissues.flink.apache.org%3Ehttps://lists.apache.org/thread.html/r61564d86a75403b854cdafee67fc69c8b88c5f6802c2c838f4282cc8%40%3Ccommits.pulsar.apache.org%3Ehttps://lists.apache.org/thread.html/r69efd8ef003f612c43e4154e788ca3b1f837feaacd16d97854402355%40%3Ccommits.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r6dac9bd799ceac499c7a7e152a9b0dc7f2fe7f89ec5605d129bb047b%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r70c3a7bfa904f06a1902f4df20ee26e4f09a46b8fd3eb304dc57a2de%40%3Cdev.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r7879ddcb990c835c6b246654770d836f9d031dee982be836744e50ed%40%3Ccommits.pulsar.apache.org%3Ehttps://lists.apache.org/thread.html/r7b54563abebe3dbbe421e1ba075c2030d8d460372f8c79b7789684b6%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r823d4b27fcba8dad5fe945bdefce3ca5a0031187966eb6ef3cc22ba9%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r855b4b6814ac829ce2d48dd9d8138d07f33387e710de798ee92c011e%40%3Cissues.flink.apache.org%3Ehttps://lists.apache.org/thread.html/r967002f0939e69bdec58f070735a19dd57c1f2b8f817949ca17cddae%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r9ec78dc409f3f1edff88f21cab53737f36aad46f582a9825389092e0%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/r9fe840c36b74f92b8d4a089ada1f9fd1d6293742efa18b10e06b66d2%40%3Ccommits.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/ra64d56a8a331ffd7bdcd24a9aaaeeedeacd5d639f5a683389123f898%40%3Cdev.flink.apache.org%3Ehttps://lists.apache.org/thread.html/ra655e5cec74d1ddf62adacb71d398abd96f3ea2c588f6bbf048348eb%40%3Cissues.kudu.apache.org%3Ehttps://lists.apache.org/thread.html/ra66e93703e3f4bd31bdfd0b6fb0c32ae96b528259bb1aa2b6d38e401%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/raa413040db6d2197593cc03edecfd168732e697119e6447b0a25d525%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/rac8cf45a1bab9ead5c9a860cbadd6faaeb7792203617b6ec3874736d%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/rafc77f9f03031297394f3d372ccea751b23576f8a2ae9b6b053894c5%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/rba2a9ef1d0af882ab58fadb336a58818495245dda43d32a7d7837187%40%3Cissues.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/rbde2f13daf4911504f0eaea43eee4f42555241b5f6d9d71564b6c5fa%40%3Cjira.kafka.apache.org%3Ehttps://lists.apache.org/thread.html/rca0978b634a0c3ebee4126ec29c7f570b165fae3f8f3658754c1cbd3%40%3Cissues.kudu.apache.org%3Ehttps://lists.apache.org/thread.html/rcae42fba06979934208bbd515584b241d3ad01d1bb8b063512644362%40%3Cdev.zookeeper.apache.org%3Ehttps://lists.apache.org/thread.html/rd4a6b7dec38ea6cd28b6f94bd4b312629a52b80be3786d5fb0e474bc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