Vulnerability · Published Jul 15, 2021 · Assigned by eclipse

CVE-2021-34429

Medium 5.3

In plain English

A medium-severity information exposure in Eclipse Jetty from The Eclipse Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 99.3% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)99.3%top 0.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling3Metasploit, Nuclei, Public PoC

Official description

For 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 content of the WEB-INF directory and/or bypass some security constraints. This is a variation of the vulnerability reported in CVE-2021-28164/GHSA-v7ff-8wcx-gmc5.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12jetty99.4.39-3DEBIAN-CVE-2021-34429
Debian:13jetty99.4.39-3DEBIAN-CVE-2021-34429
Debian:14jetty99.4.39-3DEBIAN-CVE-2021-34429
Mavenorg.eclipse.jetty:jetty-webapp10.0.6GHSA-vjv5-gp2w-65vm
Mavenorg.eclipse.jetty:jetty-webapp11.0.6GHSA-vjv5-gp2w-65vm
Mavenorg.eclipse.jetty:jetty-webapp9.4.43GHSA-vjv5-gp2w-65vm
Ubuntu:22.04:LTSjetty9no fix listedUBUNTU-CVE-2021-34429

Affected products (as reported)

VendorProductVersions
The Eclipse Foundation Eclipse Jetty 9.4.37 – before unspecifiedunspecified – through 9.4.4210.0.1 – before unspecifiedunspecified – through 10.0.511.0.1 – before unspecifiedunspecified – through 11.0.5

Weakness: CWE-200, CWE-551 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References