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.
CVE-2022-28601
Score 6.5 from GitHub Security Advisory published 2022-05-11. NVD baseline CVSS 6.5; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EG Risk
- 50(Track)EG Risk 50/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity65% × 45%Exploitation40% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 74.6%
- KEV
- Not listed
Published
May 10, 2022
Last Modified
November 21, 2024
References (4)
- cve@mitrehttps://github.com/FlaviuPopescu/CVE-2022-28601
- cve@mitrehttps://www.lmsdoctor.com/simple-2-factor-authentication-plugin-for-moodle
- af854a3a-2127-422b-91ae-364da2661108https://github.com/FlaviuPopescu/CVE-2022-28601
- af854a3a-2127-422b-91ae-364da2661108https://www.lmsdoctor.com/simple-2-factor-authentication-plugin-for-moodle
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 14× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCFlaviuPopescu/CVE-2022-28601First seen May 9, 2022
A Two-Factor Authentication (2FA) bypass vulnerability in "Simple 2FA Plugin for Moodle" by LMS Doctor
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-863
Frequently asked(5)
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Dependency Blast Radius
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