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Fencer Vulns
high 7.5

CVE-2021-28165 in the critical feed json

Jetty vulnerable to incorrect handling of invalid large TLS frame, exhausting CPU resources

published 2021-04-01 5 y ago modified 2026-09-08 2 mo ago also BIT-jenkins-2021-28165 , EUVD-2021-0735 , GHSA-26vr-8j45-3r4w

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
53.9%
EPSS 53.9% chance of exploitation in 30 days, percentile 99%
public exploits
0
none known

Summary

In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large invalid TLS frame.

Patch / fix

  • maven org.eclipse.jetty:jetty-server 9.4.39, 10.0.2, 11.0.2
  • bitnami jenkins 2.286.0
  • eclipse jetty 9.4.39, 10.0.2, 11.0.2
  • oracle rest_data_services 21.3
  • jenkins jenkins 2.277.3, 2.286
  • netapp cloud_manager 3.9.8
  • netapp e-series_performance_analyzer 3.0
  • netapp e-series_santricity_os_controller 11.70.1
  • netapp e-series_santricity_storage 1.10
  • netapp e-series_santricity_web_services 5.1
  • netapp ontap_tools 9.10
  • netapp santricity_web_services_proxy 5.1
  • netapp snapcenter 4.6
  • netapp storage_replication_adapter_for_clustered_data_ontap 9.10
  • netapp vasa_provider_for_clustered_data_ontap 9.10
  • jetty9 Debian 14, Debian 13, Debian 12 9.4.39-1

debian advisories DEBIAN-CVE-2021-28165

  • runc openshift 4.7 1.0.0-95.rhaos4.8.gitcd80260.el7
  • runc openshift 4.7 1.0.0-95.rhaos4.8.gitcd80260.el8
  • jenkins openshift 4.7 2.277.3.1620393611-1.el8
  • cri-tools openshift 4.7 1.20.0-2.el7
  • cri-tools openshift 4.7 1.20.0-2.el8
  • rh-eclipse-jetty devtools 2021 9.4.40-1.1.el7_9
  • rh-eclipse-jetty-io devtools 2021 9.4.40-1.1.el7_9
  • rh-eclipse-jetty-jmx devtools 2021 9.4.40-1.1.el7_9

red hat advisories RHSA-2021:1551RHSA-2021:1509

  • jetty-minimal SLE Module for Development Tools 15 SP3, SLE Module for Development Tools 15 SP2 9.4.42-3.9.1

suse advisories SUSE-SU-2021:2005-1

  • jetty-minimal openSUSE Leap 15.3 9.4.42-3.9.1
  • jetty-websocket openSUSE Leap 15.3 9.4.42-3.9.1

opensuse advisories openSUSE-SU-2021:2005-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-28165 updated cvss 7.5

jetty: Resource exhaustion when receiving an invalid large TLS frame

  • Red Hat Enterprise Linux 7 jetty-io, jetty-ant, jetty-jmx, jetty-jsp, jetty-xml, jetty-http, +30 more
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 jetty-io, jetty-http, jetty-util, jetty-server, jetty-servlet, jetty-security, +1 more
    affected: no fix planned “Will not fix”
  • Red Hat Integration Camel Quarkus 1 jetty Red Hat Integration Service Registry jetty-server
    affected: no fix available
  • Red Hat JBoss A-MQ 6 jetty-server Red Hat JBoss Fuse 6 jetty, jetty-server
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Container Platform 3.11 jenkins
    affected: no fix available
  • Red Hat OpenShift Container Platform 4 openshift4/ose-metering-hive, openshift4/ose-metering-hadoop, openshift4/ose-metering-presto Red Hat OpenStack Platform 13 (Queens) opendaylight
    affected: no fix planned “Will not fix”
  • Red Hat AMQ 7.8.2
    fixed: vendor fix RHSA-2021:2689
  • Red Hat AMQ 7.9.0
    fixed: vendor fix RHSA-2021:3700
show 8 more
  • Red Hat AMQ Streams 1.6.4
    fixed: vendor fix RHSA-2021:1560
  • Red Hat AMQ Streams 1.8.0
    fixed: vendor fix RHSA-2021:3225
  • Red Hat Developer Tools for Red Hat Enterprise Linux Server (v. 7) rh-eclipse-jetty 9.4.40-1.1.el7_9, rh-eclipse-jetty-io 9.4.40-1.1.el7_9, rh-eclipse-jetty-jmx 9.4.40-1.1.el7_9, rh-eclipse-jetty-xml 9.4.40-1.1.el7_9, rh-eclipse-jetty-http 9.4.40-1.1.el7_9, rh-eclipse-jetty-jaas 9.4.40-1.1.el7_9, +9 more Red Hat Developer Tools for Red Hat Enterprise Linux Workstation (v. 7) rh-eclipse-jetty 9.4.40-1.1.el7_9, rh-eclipse-jetty-io 9.4.40-1.1.el7_9, rh-eclipse-jetty-jmx 9.4.40-1.1.el7_9, rh-eclipse-jetty-xml 9.4.40-1.1.el7_9, rh-eclipse-jetty-http 9.4.40-1.1.el7_9, rh-eclipse-jetty-jaas 9.4.40-1.1.el7_9, +9 more
    fixed: vendor fix RHSA-2021:1509
  • Red Hat Fuse 7.9
    fixed: vendor fix RHSA-2021:3140
  • Red Hat Integration Camel Quarkus 2
    fixed: vendor fix RHSA-2021:4767
  • Red Hat OpenShift Container Platform 4.7 jenkins 2.277.3.1620393611-1.el8, runc 1.0.0-95.rhaos4.8.gitcd80260.el7, runc 1.0.0-95.rhaos4.8.gitcd80260.el8
    fixed: vendor fix RHSA-2021:1551
  • Red Hat RHAF Camel-K 1.8
    fixed: vendor fix RHSA-2022:6407
  • Red Hat OpenShift Container Platform 4.7 cri-tools 1.20.0-2.el7, cri-tools 1.20.0-2.el8, cri-o 1.20.2-11.rhaos4.7.git704b03d.el7, cri-o 1.20.2-11.rhaos4.7.git704b03d.el8, ignition 2.9.0-3.rhaos4.7.git1d56dc8.el8, openshift 4.7.0-202105111743.p0.git.75370d3.el7, +21 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSMA-24-200-01 updated cvss 6.5

Philips Vue PACS (Update A)

  • Philips Vue PACS <12.2.8.410
    affected: vendor fix, mitigation “Philips recommends the following mitigations:” incenter.medical.philips.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

53.86% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/eclipse/jetty.project/security/advisories/GHSA-26vr-8j45-3r4w referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven org.eclipse.jetty:jetty-server
>=7.2.2, <9.4.39
>=10.0.0, <10.0.2
>=11.0.0, <11.0.2
9.4.39
10.0.2
11.0.2
bitnami jenkins
<2.286.0
2.286.0

Affected products

  • The Eclipse Foundation Eclipse Jetty

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
  • CWE-551 Incorrect Behavior Order: Authorization Before Parsing and Canonicalization
  • CWE-755 Improper Handling of Exceptional Conditions
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.