Improper input validation in Apache HTTP Server
CVE-2017-12171
A regression was found in the Red Hat Enterprise Linux 6.9 version of httpd 2.2.15-60, causing comments in the "Allow" and "Deny" configuration lines to be parsed incorrectly. A web administrator could unintentionally allow any client to access a restricted HTTP resource.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.081 (94.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.081 · newest: 0.081 · change: 0.000
Affected products
- Apache HTTP Server — versions 2.2.15-60
- Red Hat Httpd — versions 2.2.15-60
- Red Hat Enterprise Linux — versions 6.9
- Red Hat Enterprise Linux Desktop — versions 6.0
- Red Hat Enterprise Linux Server — versions 6.0
- Red Hat Enterprise Linux Workstation — versions 6.0
Weakness classification (CWE)
References
- www.securityfocus.com/bid/101516 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- access.redhat.com/errata/RHSA-2017:2972 (vendor-advisory, Vendor Advisory)
- www.securitytracker.com/id/1039633 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-12171?
- CVE-2017-12171 is a medium-severity vulnerability in Apache HTTP Server, classified under Improper Access Control. CVSS score: 6.5/10. Published 2018-07-26.
- How severe is CVE-2017-12171?
- Medium severity. CVSS v3 base score is 6.5 out of 10.