synced 13 MIN AGO
01 Record

CVE-2020-27223

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)

MediumPUBLISHEDCNA: eclipse
CNA base score5.2 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
View raw JSON

02 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)

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
78.03% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 99.5% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-02-26 21:55Z5 YR AGO
Last updated
2025-08-20 10:03Z1 YR AGO
Reserved
2020-10-19
Assigning CNA
eclipse
Record state
PUBLISHED
Severity
Medium (CVSS 5.2)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-407Inefficient Algorithmic ComplexityClass
  • CWE-400Uncontrolled Resource ConsumptionClass
Data version
5.1
Document digest
ba956dd38f296425349b1e5dfee1ae9139df21684a121bd4c6e2431f7ae67d4f

05 Affected products

VendorProductVersionsPlatforms
The Eclipse FoundationEclipse Jetty9.4.6.v20170531 to < unspecified, <= 9.4.36.v20210114, 10.0.0, 11.0.0—

06 References

07 Fixed in

Debian 12

  • jetty9
    Fixed in 9.4.38-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • jetty9
    Fixed in 9.4.38-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • jetty9
    Fixed in 9.4.38-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • jetty9
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • jetty9
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • jetty9
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • jetty9
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.