HOMEVULNERABILITIESCVE-2020-27223
MEDIUM

CVE-2020-27223

CWE-407Published: February 26, 2021· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-27223 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Vendors & Products

Apache3 product(s)
nifisparksolr
Debian1 product(s)
debian linux
eclipse1 product(s)
jetty
netapp10 product(s)
e-series santricity os controllere-series santricity web serviceselement plug-in for vcenter serverhcihci management nodemanagement services for element softwaresnap creator frameworksnapcentersnapmanagersolidfire
Oracle1 product(s)
rest data services
Source: NVD CPE · 20 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.oracle.com/security-alerts/cpuApr2021.html
PATCHhttps://www.oracle.com/security-alerts/cpuApr2021.html
ADVISORYhttps://bugs.eclipse.org/bugs/show_bug.cgi?id=571128
ADVISORYhttps://github.com/eclipse/jetty.project/security/advisories/GHSA-m394-8rww-3jr7
ADVISORYhttps://security.netapp.com/advisory/ntap-20210401-0005/
ADVISORYhttps://www.debian.org/security/2021/dsa-4949
ADVISORYhttps://bugs.eclipse.org/bugs/show_bug.cgi?id=571128
ADVISORYhttps://github.com/eclipse/jetty.project/security/advisories/GHSA-m394-8rww-3jr7
ADVISORYhttps://security.netapp.com/advisory/ntap-20210401-0005/
ADVISORYhttps://www.debian.org/security/2021/dsa-4949

All References (133)

→
https://bugs.eclipse.org/bugs/show_bug.cgi?id=571128Vendor Advisory
→
https://github.com/eclipse/jetty.project/security/advisories/GHSA-m394-8rww-3jr7Third Party Advisory
→
https://github.com/jetty/jetty.project/commit/10e531756b972162eed402c44d0244f7f6b85131
→
https://lists.apache.org/thread.html/r068dfd35ce2193f6af28b74ff29ab148c2b2cacb235995576f5bea78%40%3Cissues.solr.apache.org%3E
→
https://lists.apache.org/thread.html/r07aedcb1ece62969c406cb84c8f0e22cec7e42cdc272f3176e473320%40%3Cusers.solr.apache.org%3E
→
https://lists.apache.org/thread.html/r0b639bd9bfaea265022125d18acd2fc6456044b76609ec74772c9567%40%3Cissues.zookeeper.apache.org%3E
→
https://lists.apache.org/thread.html/r0c6eced465950743f3041b03767a32b2e98d19731bd72277fc7ea428%40%3Ccommits.zookeeper.apache.org%3E
→
https://lists.apache.org/thread.html/r0cdab13815fc419805a332278c8d27e354e78560944fc36db0bdc760%40%3Cnotifications.zookeeper.apache.org%3E
→
https://lists.apache.org/thread.html/r0e25cdf3722a24c53049d37396f0da8502cb4b7cdc481650dc601dbc%40%3Cgitbox.activemq.apache.org%3E
→
https://lists.apache.org/thread.html/r105f4e52feb051faeb9141ef78f909aaf5129d6ed1fc52e099c79463%40%3Cissues.spark.apache.org%3E
→
https://lists.apache.org/thread.html/r1414ab2b3f4bb4c0e736caff6dc8d15f93f6264f0cca5c47710d7bb3%40%3Creviews.spark.apache.org%3E
→
https://lists.apache.org/thread.html/r1b7ed296a865e3f1337a96ee9cd51f6d154d881a30da36020ca72a4b%40%3Cjira.kafka.apache.org%3E
→
https://lists.apache.org/thread.html/r1b803e6ebdac5f670708878fb1b27cd7a0ce9d774a60e797e58cee6f%40%3Cissues.nifi.apache.org%3E
→
https://lists.apache.org/thread.html/r26d9196f4d2afb9bec2784bcb6fc183aca82e4119bf41bdc613eec01%40%3Cnotifications.zookeeper.apache.org%3E
→
https://lists.apache.org/thread.html/r27ad7843d060762cc942820566eeaa9639f75371afedf8124b943283%40%3Cissues.spark.apache.org%3E

Quick Facts

CVE IDCVE-2020-27223
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-407
CISA KEVNo
Affected5 vendor(s)
PublishedFeb 26, 2021

Related CVEs (CWE-407)

CVE-2026-43967
8.7
CVE-2026-57480
8.7
CVE-2026-55206
8.7
CVE-2026-54892
8.7
CVE-2026-58226
8.7
CVE-2020-3548
7.5

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-27223 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2020-27223·NVD