#VU56964 Improper access control in Jetty - CVE-2021-34429

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Main Vulnerability Database Vulnerabilities #VU56964

#VU56964 Improper access control in Jetty - CVE-2021-34429

Published: September 30, 2021 / Updated: November 25, 2021


Vulnerability identifier: #VU56964
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2021-34429
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
Jetty
Software vendor:
Eclipse

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper input validation when processing certain characters in URI. A remote attacker can send a specially crafted HTTP request with encoded characters in URI, bypass implemented security restrictions and access content of the WEB-INF directory.


Remediation

Install updates from vendor's website.

External links