What is CVE-2019-12742?

CVE-2019-12742 is a high-severity vulnerability in Bludit, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2019-06-05.

How severe is CVE-2019-12742?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Bludit

CVE-2019-12742

Bludit prior to 3.9.1 allows a non-privileged user to change the password of any account, including admin. This occurs because of bl-kernel/admin/controllers/user-password.php Insecure Direct Object Reference (a modified username POST parameter).

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2019-06-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: -0.000

Affected products

Bludit

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/bludit/bludit/releases/tag/3.9.1 (Third Party Advisory, Release Notes)
github.com/bludit/bludit/commit/a1bb333153fa8ba29a88cfba423d810f509a2b37 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2019-12742?: CVE-2019-12742 is a high-severity vulnerability in Bludit, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2019-06-05.
How severe is CVE-2019-12742?: High severity. CVSS v3 base score is 8.8 out of 10.