CVE-2021-3688: Red Hat JBoss Core Services Httpd

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Red Hat JBoss Core Services Httpd: before 2.4.37 (fixed in 2.4.37); version 2.4.37 only

Published 2022-08-26. Last modified 2026-06-17.