CVE-2021-3688

MEDIUM

Red Hat JBoss Core Services HTTP Server - Path Traversal via Dot-Dot-Semicolon Bypass

Title source: llm
STIX 2.1

Description

A flaw was found in Red Hat JBoss Core Services HTTP Server in all versions, where it does not properly normalize the path component of a request URL contains dot-dot-semicolon(s). This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks. The highest threat from this vulnerability is to data confidentiality and integrity.

References (2)

Core 2
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1990252
Vendor Advisory x_refsource_misc
https://access.redhat.com/security/cve/CVE-2021-3688

Scores

CVSS v3 4.8
EPSS 0.0027
EPSS Percentile 50.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Details

CWE
CWE-22 CWE-200
Status published
Products (2)
redhat/jboss_core_services_httpd 2.4.37 (10 CPE variants)
redhat/jboss_core_services_httpd < 2.4.37
Published Aug 26, 2022
Tracked Since Feb 18, 2026