Auth bypass in Lmsdoctor 2 Factor Authentication

CVE-2022-28601

A Two-Factor Authentication (2FA) bypass vulnerability in "Simple 2FA Plugin for Moodle" by LMS Doctor allows remote attackers to overwrite the phone number used for confirmation via the profile.php file. Therefore, allowing them to bypass the phone verification mechanism.

Vulnerability class: Broken Access Control

EPSS: 0.017 (75.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-28601?
CVE-2022-28601 is a medium-severity vulnerability in Lmsdoctor 2 Factor Authentication, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2022-05-10.
How severe is CVE-2022-28601?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2022-28601 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.