CVE-2015-3185 Auth bypass in n/a

What is CVE-2015-3185?

CVE-2015-3185 is a medium-severity authentication bypass vulnerability in Apache Http Server, published on 20 Jul 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The ap_some_auth_required function in server/request.c in the Apache HTTP Server 2.4.x before 2.4.14 does not consider that a Require directive may be associated with an authorization setting rather than an authentication setting, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances by leveraging the presence of a module that relies on the 2.2 API behavior.

Weakness: CWE-264

Which versions are affected by CVE-2015-3185?

It affects 5 products.

Products include Apache Http Server, Apple Mac Os X, Apple Mac Os X Server, Apple Xcode, Canonical Ubuntu Linux.

How do I fix CVE-2015-3185?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2015-3185 being exploited?

There is no known exploitation of CVE-2015-3185 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 DEBIAN-CVE-2015-3185, GHSA-5fv4-m5x3-j32p, UBUNTU-CVE-2015-3185.