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Vulnerability record · CVE-2020-27218 · published 28 November 2020

CVE-2020-27218: Eclipse jetty vulnerability

Eclipse · Jetty

In Eclipse Jetty version 9.4.0.RC0 to 9.4.34.v20201102, 10.0.0.alpha0 to 10.0.0.beta2, and 11.0.0.alpha0 to 11.0.0.beta2, if GZIP request body inflation is enabled and requests from different clients are multiplexed onto a single connection, and if an attacker can send a request with a body that is received entirely but not consumed by the application, then a subsequent request on the same connection will see that body prepended to its body. The attacker will not see any data but may inject data into the body of the subsequent request.

4.8 CVSS 3.1 Medium EPSS 8.3% · top 5.3% CWE-226 · CWE-226
4.8CVSS 3.1 base score, v2 5.8
8.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
17Affected product versions listed by NVD
234References
17 Jun 2026Last modified by NVD

Description

In Eclipse Jetty version 9.4.0.RC0 to 9.4.34.v20201102, 10.0.0.alpha0 to 10.0.0.beta2, and 11.0.0.alpha0 to 11.0.0.beta2, if GZIP request body inflation is enabled and requests from different clients are multiplexed onto a single connection, and if an attacker can send a request with a body that is received entirely but not consumed by the application, then a subsequent request on the same connection will see that body prepended to its body. The attacker will not see any data but may inject data into the body of the subsequent request.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Affected products

17 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugs.eclipse.org/bugs/show_bug.cgi?id=568892 Issue TrackingVendor Advisory
https://github.com/eclipse/jetty.project/security/advisories/GHSA-86wm-rrjm-8wh8 Third Party Advisory
https://lists.apache.org/thread.html/r00858fe27ee35ac8fa0e1549d67e0efb789d63b791b5300390bd8480%40%3Cjira.kafka.apache.or Issue Tracking
https://lists.apache.org/thread.html/r01806ad8c9cb0590584baf5b1a60237ad92e4ad5bba082ca04d98179%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r05b7ffde2b8c180709e14bc9ca036407bea3ed9f09b32c4705d23a4a%40%3Cjira.kafka.apache.or Issue Tracking
https://lists.apache.org/thread.html/r078c1203e48089b2c934b9f86b61bebe8c049e0ea6273b124f349988%40%3Cissues.hbase.apache. Issue Tracking
https://lists.apache.org/thread.html/r0d2de2ab5558da68b504bd30db74da1d97dc152a857f5b7e462288ab%40%3Cissues.spark.apache. Issue Tracking
https://lists.apache.org/thread.html/r153fbefc27a1b2033692f32ef728ca909a7c7bcc1d21b6c35b38bdd5%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r15500b77c52390e2ec048cea4a6b45edf907ea61cd13259193ff8601%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r186748e676e5aeb4eb603361e6367555ae4daecbde55cfd69fa68ec6%40%3Cissues.hbase.apache. Issue Tracking
https://lists.apache.org/thread.html/r1dd302323c6fe1a542d0371de66a484918fa6c2831ae70d924974bea%40%3Cnotifications.zookee Issue Tracking
https://lists.apache.org/thread.html/r22776d06582985cca5bd2a92519a2b13b4cae2d8e087318da03c036d%40%3Cnotifications.zookee Issue Tracking
https://lists.apache.org/thread.html/r23ce6b8965e30808daa77a80fcd69833b1fc632d80465d0419eff619%40%3Cissues.zookeeper.apa Issue Tracking
https://lists.apache.org/thread.html/r25a47cd06750ebb4b0f23a9b7a57c209702c8566a4c970a41ac088df%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r2a541f08bf5f847394297c13a5305c2f76c11e46504ce2a49653890a%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r2a57c7bbf36afc87f8ad9e1dd2f53a08e85a1b531283fc2efce4fe17%40%3Ccommits.zookeeper.ap Issue Tracking
https://lists.apache.org/thread.html/r2f168fd22c071bdd95ec696e45d2a01e928b9fcadbe94fbabeb1549d%40%3Cissues.hbase.apache. Issue Tracking
https://lists.apache.org/thread.html/r2fda4dab73097051977f2ab818f75e04fbcb15bb1003c8530eac1059%40%3Cjira.kafka.apache.or Issue Tracking
https://lists.apache.org/thread.html/r2ffe719224cbe5897f2d06dd22fc77fa12377c39efe9de0c3bf3f837%40%3Cissues.hbase.apache. Issue Tracking
https://lists.apache.org/thread.html/r306c8e5aad1b9afc0c9278430fb571950fbb3ab7dd5d369eb618ffa4%40%3Cissues.spark.apache. Issue Tracking
https://lists.apache.org/thread.html/r32a25679d97bf5969d130f8e9b3a3fc54110095397d89952e93dbeb0%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r352e40ca9874d1beb4ad95403792adca7eb295e6bc3bd7b65fabcc21%40%3Ccommits.samza.apache Issue Tracking
https://lists.apache.org/thread.html/r3554a4f192db6008c03f2c6c3e0f1691a9b0d615ce955ef67a876ff7%40%3Cjira.kafka.apache.or Issue Tracking
https://lists.apache.org/thread.html/r3807b1c54066797c4870e03bd2376bdcce9c7c4e6143499f53cd9ca2%40%3Cissues.hbase.apache. Issue Tracking
https://lists.apache.org/thread.html/r380e9257bacb8551ee6fcf2c59890ae9477b2c78e553fa9ea08e9d9a%40%3Ccommits.nifi.apache. Issue Tracking
https://lists.apache.org/thread.html/r391d20ab6ec03d6becc7a9f0c5e0f45a7ad8af6b996ae0a49839f6bd%40%3Cjira.kafka.apache.or Issue Tracking
https://lists.apache.org/thread.html/r39f1b1be8e5c0935f7c515eedf907909474bad15185125daacb36d50%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r3b7c8bc7a1cb8acdcf7753f436564d289d22f2906e934d1b11de3a40%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r3d43529452c5a16338e8267eb911e8aedc64c3241624302e673961c1%40%3Cdev.hbase.apache.org Issue Tracking
https://lists.apache.org/thread.html/r46589f4228aabd5fb16135ff5bef0f77f06cdef64f9785ac3349fa02%40%3Cnotifications.zookee Issue Tracking
https://lists.apache.org/thread.html/r489dfc3e259ad3837141985dd9291b93e6b40496cdf58808915d67e9%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r4981622ba15e8be1657d30b7c85044c7aabe89751fa7324f8604b834%40%3Cnotifications.zookee Issue Tracking
https://lists.apache.org/thread.html/r4aff5ca6bc94a6f13ff77914fd960185ab70cd6cebe96fffd74543ac%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r4b2e7417a76e3dd4dc9855c6c138c49484080754a09927454f6d89f0%40%3Cissues.spark.apache. Issue Tracking
https://lists.apache.org/thread.html/r500e22d0aedba1866d0b5e76429b76652a473a0209fa8bf66c9f7aab%40%3Ccommits.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r51ec0120b6c849d12fb7fef34db87ef0bf79fcfcd3d703a9800afbba%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r543ea0a861a78d84c22656fb76880d7ab327048cf7ee3ccc7281375d%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r5464405909eb0e1059d5dd57d10c435b9f19325fdebbadb4f1126997%40%3Creviews.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r5c64173663c71f222ea40617ab362d7a590935fb75c18817fdec377e%40%3Ccommits.spark.apache Issue Tracking
https://lists.apache.org/thread.html/r5e5cb33b545548ec4684d33bd88b05a0ae89c4d7cac93eb63255f58f%40%3Cnotifications.zookee Issue Tracking

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Source: NIST National Vulnerability Database (record CVE-2020-27218), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.