What is CVE-2020-14070?

CVE-2020-14070 is a critical-severity vulnerability in Mk-Auth, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-06-29.

How severe is CVE-2020-14070?

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

Auth bypass in Mk-Auth

CVE-2020-14070

An issue was discovered in MK-AUTH 19.01. There is authentication bypass in the web login functionality because guessable credentials to admin/executar_login.php result in admin access.

Vulnerability class: Broken Authentication

Published 2020-06-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (78.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Mk-Auth — versions 19.01

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

mk-auth.com.br/page/changelog-1 (Vendor Advisory)
gist.github.com/merhawi023/a1155913df3cf0c17971b0fb7dcd8f20 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-14070?: CVE-2020-14070 is a critical-severity vulnerability in Mk-Auth, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-06-29.
How severe is CVE-2020-14070?: Critical severity. CVSS v3 base score is 9.8 out of 10.