Arbitrary file upload in Avantfax
CVE-2023-23328
A File Upload vulnerability exists in AvantFAX 3.3.7. An authenticated user can bypass PHP file type validation in FileUpload.php by uploading a specially crafted PHP file.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (62.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Avantfax — versions 3.3.7
Weakness classification (CWE)
References
- af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)
- github.com/superkojiman/vulnerabilities/blob/master/AvantFAX-3.3.7/README.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-23328?
- CVE-2023-23328 is a high-severity vulnerability in Avantfax, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-03-10.
- How severe is CVE-2023-23328?
- High severity. CVSS v3 base score is 8.8 out of 10.