Arbitrary file upload in Free School Management Software Project
CVE-2021-46013
An unrestricted file upload vulnerability exists in Sourcecodester Free school management software 1.0. An attacker can leverage this vulnerability to enable remote code execution on the affected web server. Once a php webshell containing "<?php system($_GET["cmd"]); ?>" gets uploaded it is saved into /uploads/exam_question/ directory, and is accessible by all users.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.035 (88.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Free School Management Software Project — versions 1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/50587 (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-46013?
- CVE-2021-46013 is a critical-severity vulnerability in Free School Management Software Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-01-18.
- How severe is CVE-2021-46013?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-46013 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.