CVE-2017-16634

critical
Published 2017-11-10 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

Description

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

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://developer.joomla.org/security-centre/713-20171102-core-2-factor-authentication-bypass

Application impact

VendorProductVersionsFixed
joomlajoomla\!{"startIncluding":"3.2.0","endIncluding":"3.8.1"}

References

CWEs

CWE-287

Verify integrity in audit chain (admin only). AS-IS.