What is CVE-2016-6340?

CVE-2016-6340 is a high-severity vulnerability in Red Hat Enterprise Linux, classified under CWE-254. CVSS score: 8.4/10. Published 2016-09-22.

How severe is CVE-2016-6340?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in Red Hat Enterprise Linux

CVE-2016-6340

The kickstart file in Red Hat QuickStart Cloud Installer (QCI) forces use of MD5 passwords on deployed systems, which makes it easier for attackers to determine cleartext passwords via a brute-force attack.

Published 2016-09-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-254

References

bugzilla.redhat.com/show_bug.cgi (VDB Entry, Issue Tracking, Vendor Advisory)
www.securityfocus.com/bid/92655 (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-6340?: CVE-2016-6340 is a high-severity vulnerability in Red Hat Enterprise Linux, classified under CWE-254. CVSS score: 8.4/10. Published 2016-09-22.
How severe is CVE-2016-6340?: High severity. CVSS v3 base score is 8.4 out of 10.