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CVE-2020-27223

Published: Feb 26, 2021Updated: Aug 20, 2025 Sources: CVE List NVD GHSA BDUCWE-407
NVD MITRE
5.2CVSSMEDIUM
EPSS Score
78.0%
Top 0.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

Description

In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.

CVSS Vector Breakdown

AV:AAC:LPR:LUI:RS:UC:NI:NA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-407CWE-400

Affected Products

Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
JettyEclipse FoundationOSS Libraries
Eclipse JettyThe Eclipse Foundation
LibraryLibrary
OSS Libraries / web-framework
jettyeclipseDevTools & CI
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
eclipse foundationoss-projectDEOSS Libraries
the eclipse foundationoss-projectOSS Librariesaka eclipse jetty, eclipse mosquitto, eclipse openj9
eclipseoss-projectBEDevTools & CIaka eclipse-foundation
and 16 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://bugs.eclipse.org/bugs/show_bug.cgi?id=571128
bugs.eclipse.org
https://lists.apache.org/thread.html/r855b24a3bde3674256152edfc53fb8c9000f9b59db3fecbbde33b211@%3Cissues.solr.apache.org%3E
lists.apache.org
https://nvd.nist.gov/vuln/detail/CVE-2020-27223
nvd.nist.gov
and 132 more references View all →

Timeline

Published
Feb 26, 2021
Last Updated
Aug 20, 2025

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