What is CVE-2019-11018?

CVE-2019-11018 is a critical-severity vulnerability in Thinkadmin, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-04-08.

How severe is CVE-2019-11018?

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

Auth bypass in Thinkadmin

CVE-2019-11018

application\admin\controller\User.php in ThinkAdmin V4.0 does not prevent continued use of an administrator's cookie-based credentials after a password change.

Vulnerability class: Broken Authentication

Published 2019-04-08 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.014 (71.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Thinkadmin — versions 4.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

github.com/zoujingli/ThinkAdmin/issues/173 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2019-11018?: CVE-2019-11018 is a critical-severity vulnerability in Thinkadmin, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-04-08.
How severe is CVE-2019-11018?: Critical severity. CVSS v3 base score is 9.8 out of 10.