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
Published May 10, 2022
6.5
MEDIUMCVSS 3.1
EPSS 1.74%
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.
Affected products
No data.
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.74% (0.01741) | 76.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.65% (0.01647) | 73.32th | v5 (v2026.06.15) |
| May 24, 2025 | 5.58% (0.05579) | 89.79th | v4 (v2025.03.14) |
| May 12, 2025 | 7.03% (0.07034) | 90.97th | v4 (v2025.03.14) |
| May 11, 2025 | 5.44% (0.05437) | 89.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.60% (0.02602) | 84.60th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00095) | 41.76th | v3 (v2023.03.01) |
| May 22, 2024 | 0.10% (0.00095) | 40.05th | v3 (v2023.03.01) |
| May 17, 2023 | 0.09% (0.00091) | 37.94th | v3 (v2023.03.01) |
| Apr 10, 2023 | 0.07% (0.00073) | 29.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00065) | 26.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Nov 4, 2022 | 1.05% (0.01055) | 50.92th | v2 (v2022.01.01) |
| May 11, 2022 | 1.05% (0.01055) | 48.91th | v2 (v2022.01.01) |
References (2)
- https://github.com/FlaviuPopescu/CVE-2022-28601 x_refsource_MISCExploitThird Party Advisory
- https://www.lmsdoctor.com/simple-2-factor-authentication-plugin-for-moodle x_refsource_MISCProduct
| Link | Providers | Tags |
|---|---|---|
| https://github.com/FlaviuPopescu/CVE-2022-28601 | x_refsource_MISCExploitThird Party Advisory | |
| https://www.lmsdoctor.com/simple-2-factor-authentication-plugin-for-moodle | x_refsource_MISCProduct |
Change history (0)
No recorded changes yet.