CVE-2021-3688
Last modified
CVE-2021-3688 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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. EPSS estimates a 0.46% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Jboss Core Services Httpd | < 2.4.37 |
| Redhat | Jboss Core Services Httpd | 2.4.37 |
References
- https://access.redhat.com/security/cve/CVE-2021-3688Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1990252Issue Tracking, Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2021-3688Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1990252Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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