CVE-2021-43498 json
An Access Control vulnerability exists in ATutor 2.2.4 in password_reminder.php when the g, id, h, form_password_hidden, and form_change HT…
published 2022-04-08 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30429
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
An Access Control vulnerability exists in ATutor 2.2.4 in password_reminder.php when the g, id, h, form_password_hidden, and form_change HTTP POST parameters are set.
Exploit prediction
1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- packetstormsecurity.com https://packetstormsecurity.com/files/157563/ATutor-LMS-2.2.4-Weak-Password-Reset-Hash.html referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/atutor/ATutor/blob/master/password_reminder.php referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-640 Weak Password Recovery Mechanism for Forgotten Password
References
-
packetstormsecurity.com
/files/157563/ATutor-LMS-2.2.4-Weak-Password-Reset-Hash.html
exploit, third-party-advisory, vdb-entry
-
github.com
/atutor/ATutor/blob/master/password_reminder.php
exploit, third-party-advisory
Sources
- CVE List CVE-2021-43498
- NVD CVE-2021-43498
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.