CVE-2021-24562: lifterlms
CVSS: 7.5v3.1HighModified
Published 23-08-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-24562 is a high (CVSS 7.5) vulnerability in lifterlms. EPSS estimates a 1.63% chance of exploitation in the next 30 days, higher than 75.8% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 4.21.2.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.63%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 23-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 2 agree
- wordfenceSource7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.63%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.63% on 20-09-2026
20-09-202620-10-2026
EPSS score1.63%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
3 vendors · 3 products
References
3 links- wpscan.com/vulnerability/d45bb744-4a0d-4af0-aa16-71f7e3ea6e00X Refsource MISCExploitThird Party Advisory