Vulnerability Description
For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, it is possible for requests to the ConcatServlet with a doubly encoded path to access protected resources within the WEB-INF directory. For example a request to `/concat?/%2557EB-INF/web.xml` can retrieve the web.xml file. This can reveal sensitive information regarding the implementation of a web application.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Eclipse | Jetty | < 9.4.41 |
| Debian | Debian Linux | 9.0 |
| Oracle | Communications Cloud Native Core Policy | 1.14.0 |
| Oracle | Rest Data Services | < 21.3 |
| Netapp | Active Iq Unified Manager | - |
| Netapp | Hci | - |
| Netapp | Management Services For Element Software | - |
| Netapp | Snap Creator Framework | - |
Related Weaknesses (CWE)
References
- https://github.com/eclipse/jetty.project/security/advisories/GHSA-gwcr-j4wh-j3cqThird Party Advisory
- https://lists.apache.org/thread.html/r04a4b4553a23aff26f42635a6ae388c3b162aab30a
- https://lists.apache.org/thread.html/r234f6452297065636356f43654cdacef565b8f9ceb
- https://lists.apache.org/thread.html/r2721aba31a8562639c4b937150897e24f78f747cdb
- https://lists.apache.org/thread.html/r284de9c5399486dfff12ab9e7323ca720dd7019a9a
- https://lists.apache.org/thread.html/r29678972c3f8164b151fd7a5802785d402e530c098
- https://lists.apache.org/thread.html/r32b0b640ad2be3b858f0af51c68a7d5c5a66a462c8
- https://lists.apache.org/thread.html/r33eb06b05afbc7df28d31055cae0cb3fd36cab808c
- https://lists.apache.org/thread.html/r67c4f90658fde875521c949448c54c98517beecdc7
- https://lists.apache.org/thread.html/r8a1a332899a1f92c8118b0895b144b27a78e3f25b9
- https://lists.apache.org/thread.html/r91e34ff61aff8fd25a3f2a21539597c6ef7589a31c
- https://lists.apache.org/thread.html/rb1292d30462b9baedea7c5d9594fc75990d9aa0ec2
- https://lists.apache.org/thread.html/rbefa055282d52d6b58d29a79fbb0be65ab0a38d25f
- https://lists.apache.org/thread.html/rd5b52362f5edf98e0dcab6541a381f571cccc05ad9
- https://lists.apache.org/thread.html/rddbb4f8d5db23265bb63d14ef4b3723b438abc1589
FAQ
What is CVE-2021-28169?
CVE-2021-28169 is a vulnerability with a CVSS score of 5.3 (MEDIUM). For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, it is possible for requests to the ConcatServlet with a doubly encoded path to access protected resources within the WEB-INF directory. For ...
How severe is CVE-2021-28169?
CVE-2021-28169 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-28169?
Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Jetty, Debian Debian Linux, Oracle Communications Cloud Native Core Policy, Oracle Rest Data Services, Netapp Active Iq Unified Manager.