CVE-2021-28163
LOWCVSS 2.7/10EPSS 4.18%
Last modified
CVE-2021-28163 is a low-severity vulnerability rated 2.7/10 on the CVSS scale. 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.. EPSS estimates a 4.18% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Eclipse | Jetty | >= 9.4.32, < 9.4.39 | — |
| Eclipse | Jetty | 10.0.0 | Beta2 |
| Eclipse | Jetty | 10.0.1 | — |
| Eclipse | Jetty | 11.0.0 | — |
| Eclipse | Jetty | 11.0.1 | — |
| Fedoraproject | Fedora | 32 | — |
| Fedoraproject | Fedora | 33 | — |
| Fedoraproject | Fedora | 34 | — |
| Apache | Ignite | < 2.1.1 | — |
| Apache | Solr | 8.8.1 | — |
| Netapp | Cloud Manager | All versions | — |
| Netapp | E-Series Performance Analyzer | All versions | — |
| Netapp | E-Series Santricity Os Controller | >= 11.0.0, <= 11.70.1 | — |
| Netapp | E-Series Santricity Web Services | All versions | — |
| Netapp | Element Plug-In For Vcenter Server | All versions | — |
| Netapp | Santricity Cloud Connector | All versions | — |
| Netapp | Snapcenter | All versions | — |
| Netapp | Snapcenter Plug-In | All versions | — |
| Netapp | Storage Replication Adapter For Clustered Data Ontap | >= 9.6 | — |
| Netapp | Vasa Provider For Clustered Data Ontap | >= 9.6 | — |
| Netapp | Virtual Storage Console | >= 9.6 | — |
| Oracle | Autovue For Agile Product Lifecycle Management | 21.0.2 | — |
| Oracle | Banking Apis | 20.1 | — |
| Oracle | Banking Apis | 21.1 | — |
| Oracle | Banking Digital Experience | 20.1 | — |
| Oracle | Banking Digital Experience | 21.1 | — |
| Oracle | Communications Element Manager | 8.2.2 | — |
| Oracle | Communications Services Gatekeeper | 7.0 | — |
| Oracle | Communications Session Report Manager | >= 8.0.0, <= 8.2.4.0 | — |
| Oracle | Communications Session Route Manager | >= 8.0.0, <= 8.2.4.0 | — |
| Oracle | Siebel Core - Automation | <= 21.9 | — |
References
- https://github.com/eclipse/jetty.project/security/advisories/GHSA-j6qj-j888-vvgqExploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210611-0006/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlNot Applicable, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
- https://github.com/eclipse/jetty.project/security/advisories/GHSA-j6qj-j888-vvgqExploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210611-0006/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlNot Applicable, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-28163?
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.
How severe is CVE-2021-28163?
CVE-2021-28163 has a CVSS score of 2.7/10 (LOW severity). The EPSS model estimates a 4.18% probability of exploitation in the next 30 days.
How do I fix CVE-2021-28163?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-28163?
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