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Information Exposure The advisory has been revoked - it doesn't affect any version of package jetty9  (opens in a new tab)

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
99.33% (100th percentile)

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  • Snyk IDSNYK-UBUNTU2504-JETTY9-9821960
  • published26 Apr 2025
  • disclosed15 Jul 2021
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Introduced: 15 Jul 2021

CVE-2021-34429  (opens in a new tab)
CWE-200  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:25.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jetty9 package and not the jetty9 package as distributed by Ubuntu.

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.

References