CVE-2017-12171

Name: CVE-2017-12171
Creator: NVD / NIST
Published: 2018-07-26T17:29:00.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.08%

Last modified Jun 17, 2026

CVE-2017-12171 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 8.08% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

8.08%

94.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Enterprise Linux	6.9
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Workstation	6.0
Apache	Http Server	2.2.15-60

References

http://www.securityfocus.com/bid/101516Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039633Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2972Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12171Issue Tracking, Vendor Advisory
http://www.securityfocus.com/bid/101516Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039633Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2972Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12171Issue Tracking, Vendor Advisory

Timeline

Published: Jul 26, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12171?

How severe is CVE-2017-12171?

Severity scoring for CVE-2017-12171 is pending analysis. The EPSS model estimates a 8.08% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12171?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12171?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST