What is CVE-2017-16634?

CVE-2017-16634 is a critical-severity vulnerability in Joomla Joomla\!, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-11-10.

How severe is CVE-2017-16634?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Joomla Joomla\!

CVE-2017-16634

In Joomla! before 3.8.2, a bug allowed third parties to bypass a user's 2-factor authentication method.

Vulnerability class: Broken Authentication

EPSS: 0.001 (28.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Joomla Joomla\!
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2017-16634?: CVE-2017-16634 is a critical-severity vulnerability in Joomla Joomla\!, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-11-10.
How severe is CVE-2017-16634?: Critical severity. CVSS v3 base score is 9.8 out of 10.