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NVD / CVE Program· CNA eclipse

CVE-2020-27216: In Eclipse Jetty versions 1.0 thru 9.4.32.v20200930, 10.0.0.alpha1 thru 10.0.0.beta2, and 11.0.0.alpha1 thru 11.0.0.beta2O, on Unix like sys

Noroxi assessment

Priority: Monitor (action score 29/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 4.3% (FIRST EPSS); higher than 91.3% of all records.
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. Special conditions such as timing or configuration are required.
  • Fixed version: jetty9 (Debian:10) 9.4.16-0+deb10u1; jetty9 (Debian:12) 9.4.33-1; jetty9 (Debian:9) 9.2.30-0+deb9u1.
  • Mentioned 5 times in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to jetty9 (Debian:10) 9.4.16-0+deb10u1; jetty9 (Debian:12) 9.4.33-1; jetty9 (Debian:9) 9.2.30-0+deb9u1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In Eclipse Jetty versions 1.0 thru 9.4.32.v20200930, 10.0.0.alpha1 thru 10.0.0.beta2, and 11.0.0.alpha1 thru 11.0.0.beta2O, on Unix like systems, the system's temporary directory is shared between all users on that system. A collocated user can observe the process of creating a temporary sub directory in the shared temporary directory and race to complete the creation of the temporary subdirectory. If the attacker wins the race then they will have read and write permission to the subdirectory used to unpack web applications, including their WEB-INF/lib jar files and JSP files. If any code is ever executed out of this temporary directory, this can lead to a local privilege escalation vulnerability.

HighCVSS 7.0 · v3.1—No exploit Fix available
Published
Oct 23, 2020
Updated
Jun 16, 2026
EPSS
4.3% · 91th percentile

Report tools

JSON

Action score

29

Monitor

Low priority for now.

CVSS
28 / 40 · 7.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 4.3%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

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When you'll hear from us

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  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
eclipsejetty
netappsnap creator framework
netappsnapcenter
netappvasa provider
netappvirtual storage console
netappstorage replication adapter
vmwarevsphere
oraclecommunications application session controller
oraclecommunications converged application server - service controller
oraclecommunications element manager
oraclecommunications offline mediation controller
oraclecommunications pricing design center

and 7 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • apache beam2.21.0
  • apache beam2.22.0
  • apache beam2.23.0
  • apache beam2.24.0
  • apache beam2.25.0
  • debian debian linux10.0
  • debian debian linux9.0
  • eclipse jetty1.0 and later · before 9.3.29
  • eclipse jetty9.4.0 and later · up to 9.4.32 inclusive
  • eclipse jetty10.0.0
  • eclipse jetty11.0.0
  • netapp snap creator frameworkall versions
  • netapp snapcenterall versions
  • netapp storage replication adapter7.2 and later
  • netapp vasa provider7.2 and later
  • netapp virtual storage console7.2 and later
  • oracle communications application session controller3.9m0p2
  • oracle communications converged application server - service controller6.2
  • oracle communications element manager8.2.1 and later · up to 8.2.2.1 inclusive
  • oracle communications offline mediation controller12.0.0.3.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (eclipse). Independent of NVD's CPE analysis and usually ahead of it.

  • The Eclipse Foundation Eclipse Jetty

    • 1.0 to 9.4.32.v20200930, 10.0.0.alpha1 to 10.0.0.beta2, 11.0.0.alpha1 to 11.0.0.beta2affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:10jetty9before 9.4.16-0+deb10u19.4.16-0+deb10u1
Debian:12jetty9before 9.4.33-19.4.33-1
Debian:9jetty9before 9.2.30-0+deb9u19.2.30-0+deb9u1
Mavenorg.eclipse.jetty:jetty-webappfrom 10.0.0.beta1 · before 10.0.0.beta310.0.0.beta3
Mavenorg.eclipse.jetty:jetty-webappfrom 11.0.0.beta1 · before 11.0.0.beta311.0.0.beta3
Mavenorg.eclipse.jetty:jetty-webappbefore 9.4.33.v202010209.4.33.v20201020
Mavenorg.mortbay.jetty:jetty-webappfrom 10.0.0.beta1 · before 10.0.0.beta310.0.0.beta3
Mavenorg.mortbay.jetty:jetty-webappfrom 11.0.0.beta1 · before 11.0.0.beta311.0.0.beta3
Mavenorg.mortbay.jetty:jetty-webappbefore 9.4.339.4.33
Red Hat:devtools:2020rh-eclipsebefore 1:4.17-6.el7_91:4.17-6.el7_9
Red Hat:devtools:2020rh-eclipse-antbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-antlrbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-apache-bcelbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-apache-bsfbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-apache-log4jbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-apache-orobefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-apache-regexpbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-apache-resolverbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-apache-xalan2before 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-commons-loggingbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-commons-netbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-imageiobefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-javadocbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7
Red Hat:devtools:2020rh-eclipse-ant-javamailbefore 0:1.10.9-1.2.el70:1.10.9-1.2.el7

+96

Same product

eclipse: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-34429For Eclipse Jetty versions 9.4.37-9.4.42, 10.0.1-10.0.5 & 11.0.1-11.0.5, URIs can be crafted using some encoded characters to access the con
    60This week
  • CVE-2021-28164In Eclipse Jetty 9.4.37.v20210219 to 9.4.38.v20210224, the default compliance mode allows requests with URIs that contain %2e or %2e%2e segm
    60This week
  • CVE-2015-2080The exception handling code in Eclipse Jetty before 9.2.9.v20150224 allows remote attackers to obtain sensitive information from process mem
    53Plan

Published before and after this one in the same product

  • ← EarlierCVE-2019-17632Nov 25, 2019 · In Eclipse Jetty versions 9.4.21.v20190926, 9.4.22.v20191022, and 9.4.23.v20191118, the generation of default unhandled Error response conte
    25Monitor
  • ← EarlierCVE-2019-17638Jul 9, 2020 · In Eclipse Jetty, versions 9.4.27.v20200227 to 9.4.29.v20200521, in case of too large response headers, Jetty throws an exception to produce
    40Plan
  • Later →CVE-2020-27218Nov 27, 2020 · In Eclipse Jetty version 9.4.0.RC0 to 9.4.34.v20201102, 10.0.0.alpha0 to 10.0.0.beta2, and 11.0.0.alpha0 to 11.0.0.beta2, if GZIP request bo
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:jetty99.4.33-1 · Debian:12Package registry (OSV)
Maven:org.eclipse.jetty:jetty-webapp10.0.0.beta3Package registry (OSV)
Maven:org.eclipse.jetty:jetty-webapp11.0.0.beta3Package registry (OSV)
Maven:org.eclipse.jetty:jetty-webapp9.4.33.v20201020Package registry (OSV)
Maven:org.mortbay.jetty:jetty-webapp10.0.0.beta3Package registry (OSV)
Maven:org.mortbay.jetty:jetty-webapp11.0.0.beta3Package registry (OSV)
Maven:org.mortbay.jetty:jetty-webapp9.4.33Package registry (OSV)
red hat:rh-eclipse1:4.17-6.el7_9 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant0:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant-antlr0:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant-apache-bcel0:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant-apache-bsf0:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant-apache-log4j0:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant-apache-oro0:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant-apache-regexp0:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant-apache-resolver0:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant-apache-xalan20:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant-commons-logging0:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)
red hat:rh-eclipse-ant-commons-net0:1.10.9-1.2.el7 · Red Hat:devtools:2020Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-378 · Creation of Temporary File With Insecure Permissions

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (19 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records