CVE-2021-24184: themeum tutor lms Missing Authorization
Vulnerability summary
CVE-2021-24184 is a high (CVSS 8.8) Missing Authorization vulnerability in themeum tutor lms. EPSS estimates a 1.44% chance of exploitation in the next 30 days, higher than 72.7% of scored vulnerabilities. 2 public exploits are recorded. Fixed in 1.7.7.
Timeline
- 05-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Several AJAX endpoints in the Tutor LMS – eLearning and online course solution WordPress plugin before 1.7.7 were unprotected, allowing students to modify course information and elevate their privileges among many other actions.
CVSS metrics
3 scores · 2 sources · 2 versions- wordfenceSource8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.44%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
0.00 pp
From 1.44% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (wordfence.com)
Maturity: unknown
Exploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
- CWE-269Improper Privilege ManagementThe product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Affected systems
Themeum1 product
- tutor lms< 1.7.7
Unknown1 product
- tutor lms – elearning and online course solution≥ 1.7.7, < 1.7.7
Wordpress1 product
- tutor< 1.7.7
3 vendors · 3 products
References
3 links- www.wordfence.com/blog/2021/03/several-vulnerabilities-patched-in-tutor-lms-plugin/X Refsource MISCExploitThird Party Advisory
- wpscan.com/vulnerability/5e85917c-7a58-49cb-b8b3-05aa18ffff3eX Refsource CONFIRMExploitThird Party Advisory