CVE-2022-28601

Name: CVE-2022-28601
Creator: NVD / NIST
Published: 2022-05-10T21:15:11.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.65%

Last modified Jun 17, 2026

CVE-2022-28601 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.65% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

1.65%

73.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Lmsdoctor	2 Factor Authentication	All versions

References

https://github.com/FlaviuPopescu/CVE-2022-28601Exploit, Third Party Advisory
https://www.lmsdoctor.com/simple-2-factor-authentication-plugin-for-moodleProduct
https://github.com/FlaviuPopescu/CVE-2022-28601Exploit, Third Party Advisory
https://www.lmsdoctor.com/simple-2-factor-authentication-plugin-for-moodleProduct

Timeline

Published: May 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28601?

How severe is CVE-2022-28601?

CVE-2022-28601 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.65% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28601?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-28601?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST