Auth bypass in Lifterlms
CVE-2021-24562
The LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress plugin before 4.21.2 was affected by an IDOR issue, allowing students to see other student answers and grades
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.016 (75.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Lifterlms
- Lms By Lifterlms – Online Course, Membership & Learning Management System Plugin For WordPress — versions 4.21.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/d45bb744-4a0d-4af0-aa16-71f7e3ea6e00 (Exploit, Third Party Advisory)
- make.lifterlms.com/2021/05/17/lifterlms-version-4-21-2/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-24562?
- CVE-2021-24562 is a high-severity vulnerability in Lifterlms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2021-08-23.
- How severe is CVE-2021-24562?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-24562 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.