Vulnerability identifier: #VU51878

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28163

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Jetty
Server applications / Web servers

Vendor: Eclipse

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. If the ${jetty.base} directory or the ${jetty.base}/webapps directory is a symlink, the contents of the ${jetty.base}/webapps directory may be deployed as a static web application, exposing the content of the directory for download.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Jetty: 9.4.32.v20200930 - 11.0.1

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External links
http://github.com/eclipse/jetty.project/security/advisories/GHSA-j6qj-j888-vvgq
http://bugs.eclipse.org/bugs/show_bug.cgi?id=572220

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.