CVE-2019-0220 Security feature bypass in Apache HTTP Server

What is CVE-2019-0220?

CVE-2019-0220 is a medium-severity vulnerability in Apache Http Server, published on 11 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was found in Apache HTTP Server 2.4.0 to 2.4.38. When the path component of a request URL contains multiple consecutive slashes ('/'), directives such as LocationMatch and RewriteRule must account for duplicates in regular expressions while other aspects of the servers processing will implicitly collapse them.

Weakness: CWE-706

Which versions are affected by CVE-2019-0220?

It affects 5 products.

Products include Apache Http Server, Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap.

How do I fix CVE-2019-0220?

Upgrade to a fixed version.

Is CVE-2019-0220 being exploited?

There is no known exploitation of CVE-2019-0220 in the wild and no public exploit code.

Other vulnerabilities in Apache Http Server

• CVE-2021-42013 Apache HTTP Server Path Traversal Exploited Critical 9.8
• CVE-2024-38475 Apache HTTP Server Improper Escaping of Output Exploited Critical 9.1
• CVE-2021-40438 Apache HTTP Server-Side Request Forgery (SSRF) Exploited Critical 9.0
• CVE-2019-0211 Apache HTTP Server Privilege Escalation Exploited High 7.8
• CVE-2021-41773 Apache HTTP Server Path Traversal Exploited High 7.5

All Apache Http Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2019-0220, CLEANSTART-2026-ZN37386, DEBIAN-CVE-2019-0220, GHSA-mfx7-67r8-jcfr, UBUNTU-CVE-2019-0220.