Arbitrary file upload in Atutor

CVE-2019-11446

An issue was discovered in ATutor through 2.2.4. It allows the user to run commands on the server with the teacher user privilege. The Upload Files section in the File Manager field contains an arbitrary file upload vulnerability via upload.php. The $IllegalExtensions value only lists lowercase (and thus .phP is a bypass), and omits .shtml and .phtml.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.078 (94.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-11446: held from 0.078 to 0.078.

EPSS over last 30 days · oldest: 0.078 · newest: 0.078 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-11446?
CVE-2019-11446 is a high-severity vulnerability in Atutor, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-04-22.
How severe is CVE-2019-11446?
High severity. CVSS v3 base score is 8.8 out of 10.