Arbitrary file upload in Atutor
CVE-2019-12170
ATutor through 2.2.4 is vulnerable to arbitrary file uploads via the mods/_core/backups/upload.php (aka backup) component. This may result in remote command execution. An attacker can use the instructor account to fully compromise the system using a crafted backup ZIP archive. This will allow for PHP files to be written to the web root, and for code to execute on the remote server.
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: 0.086 (95.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.086 · newest: 0.086 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/fuzzlove/ATutor-Instructor-Backup-Arbitrary-File (Exploit, Third Party Advisory)
- incidentsecurity.com/atutor-2-2-4-backup-remote-command-execution/ (URL Repurposed, Exploit, Third Party Advisory)
- packetstormsecurity.com/files/153869/ATutor-2.2.4-Backup-Remote-Command-Executi…
Frequently asked questions
- What is CVE-2019-12170?
- CVE-2019-12170 is a high-severity vulnerability in Atutor, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-05-17.
- How severe is CVE-2019-12170?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-12170 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.