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CVE-2020-27223

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CVE-2020-27223

Published: Feb 26, 2021

Modified: Aug 20, 2025

PUBLISHED

CVSS v3.1

5.2

MEDIUM

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.

VendorProductVersions

The Eclipse Foundation

Eclipse Jetty

affected
9.4.6.v20170531 - < unspecified
affected
unspecified - <= 9.4.36.v20210114
affected
10.0.0
affected
11.0.0

Weaknesses (CWE)

CWE-407

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

DSA-4949
vendor-advisory
x_refsource_DEBIAN

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