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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.017 (76.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-28601: held from 0.017 to 0.017.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: +0.000

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.