CVE-2021-28169 Security Details

CVE ID

CVE-2021-28169

CWE

CWE-200

NVD-CWE-Other

CVE 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.

Published

Jun 10, 2021

CVSS Score & Severity

5.3Medium

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Score

90.260%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/eclipse/jetty/servlets/ConcatServlet.doGet(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V

JVMVulnerable params: 0

org/eclipse/jetty/servlets/WelcomeFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V

JVMVulnerable params: 0

Affected Ecosystems

affected

Source

National Vulnerability Database

References

GitHub · Issue #6263PROJECT

GitHub · eclipse/jetty.projectPROJECT