CVE-2017-3167 is a critical vulnerability in Apache httpd versions 2.2.x before 2.2.33 and 2.4.x before 2.4.26, where third-party modules using ap_get_basic_auth_pw() outside the authentication phase can bypass authentication requirements. This flaw affects a wide range of products including Apache, Apple, Debian, NetApp, Oracle, and Red Hat. The vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating a severe risk. It is easily exploitable over the network with low attack complexity, requiring no user interaction, and can lead to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation in the wild, nor are there known Metasploit, Nuclei, or ExploitDB modules available. Community discussion is minimal, with only two mentions, and media coverage is limited to a single article.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.2.0, < 2.2.33CPE matchmatch criteria | cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* | ||
>= 2.4.0, < 2.4.26CPE matchmatch criteria | cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:7-mode:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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Dec 10, 2025httpd: ap_get_basic_auth_pw() authentication bypass
Jun 20, 2017Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project