What’s Vulnerable › Vulnerabilities
CVE-2021-28163
- Severity: low (CVSS 2.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 4.2% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-04-01 · updated 2026-06-17
- Weakness: CWE-200
Description
In Eclipse Jetty 9.4.32 to 9.4.38, 10.0.0.beta2 to 10.0.1, and 11.0.0.beta2 to 11.0.1, if a user uses a webapps directory that is a symlink, the contents of the webapps directory is deployed as a static webapp, inadvertently serving the webapps themselves and anything else that might be in that directory.
Affected products
- Apache Software Foundation Apache Ignite: before 2.1.1 — fixed in 2.1.1
- Apache Software Foundation Apache Solr: 8.8.1
- The Eclipse Foundation Eclipse Jetty: from 9.4.32 before 9.4.39; 10.0.0-beta2, 10.0.1, 11.0.0, 11.0.0-beta2, 11.0.0-beta3, 11.0.1 — fixed in 9.4.39
- Fedoraproject Fedora: 32, 33, 34
- Cloud Manager: all versions
- NetApp E-Series Performance Analyzer: all versions
- E-Series SANtricity OS Controller Software 11.x: from 11.0.0 through 11.70.1
- NetApp E-Series Santricity Web Services: all versions
- NetApp, Inc. Element Plug-in for vCenter Server: all versions
- NetApp Santricity Cloud Connector: all versions
- NetApp SnapCenter: all versions
- NetApp SnapCenter Plugin for VMware vSphere: all versions
- NetApp Storage Replication Adapter For Clustered Data Ontap: from 9.6
- NetApp Vasa Provider For Clustered Data Ontap: from 9.6
- NetApp Virtual Storage Console: from 9.6
- Oracle Autovue For Agile Product Lifecycle Management: 21.0.2
- Oracle Banking Apis: 20.1, 21.1
- Oracle Corporation Banking Digital Experience: 20.1, 21.1
- Oracle Communications Element Manager: 8.2.2
- Oracle Communications Services Gatekeeper: 7.0
- Oracle Communications Session Report Manager: from 8.0.0 through 8.2.4.0
- Oracle Communications Session Route Manager: from 8.0.0 through 8.2.4.0
- Oracle Siebel Core - Automation: through 21.9
How to fix
Upgrade to a fixed version: Apache Software Foundation Apache Ignite 2.1.1; The Eclipse Foundation Eclipse Jetty 9.4.39. Check the vendor advisory for mitigations.
References
- https://github.com/eclipse/jetty.project/security/advisories/GHSA-j6qj-j888-vvgq
- https://lists.apache.org/thread.html/r0841b06b48324cfc81325de3c05a92e53f997185f9d71ff47734d961%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r111f1ce28b133a8090ca4f809a1bdf18a777426fc058dc3a16c39c66%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r2ea2f0541121f17e470a0184843720046c59d4bde6d42bf5ca6fad81%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r4a66bfbf62281e31bc1345ebecbfd96f35199eecd77bfe4e903e906f%40%3Cissues.ignite.apache.org%3E
- https://lists.apache.org/thread.html/r4b1fef117bccc7f5fd4c45fd2cabc26838df823fe5ca94bc42a4fd46%40%3Cissues.ignite.apache.org%3E
- https://lists.apache.org/thread.html/r5b3693da7ecb8a75c0e930b4ca26a5f97aa0207d9dae4aa8cc65fe6b%40%3Cissues.ignite.apache.org%3E
- https://lists.apache.org/thread.html/r67c4f90658fde875521c949448c54c98517beecdc7f618f902c620ec%40%3Cissues.zookeeper.apache.org%3E
- https://lists.apache.org/thread.html/r6ac9e263129328c0db9940d72b4a6062e703c58918dd34bd22cdf8dd%40%3Cissues.ignite.apache.org%3E
- https://lists.apache.org/thread.html/r780c3c210a05c5bf7b4671303f46afc3fe56758e92864e1a5f0590d0%40%3Cjira.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r787e47297a614b05b99d01b04c8a1d6c0cafb480c9cb7c624a6b8fc3%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r8a1a332899a1f92c8118b0895b144b27a78e3f25b9d58a34dd5eb084%40%3Cnotifications.zookeeper.apache.org%3E
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