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CVE-2020-27223

Published: 26 February 2021

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.

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
jetty9
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
trusty Does not exist

upstream
Released (9.4.38-1)
xenial Needs triage

kinetic Ignored
(end of life, was needs-triage)
impish Ignored
(end of life)
jammy Needs triage

lunar Not vulnerable
(9.4.48-1)
mantic Not vulnerable
(9.4.48-1)

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L