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

EPSS: 0.010 (60.2th percentile) — read the EPSS interpretation.

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.

Affected products

  • Avantfax — versions 3.3.7
  • N/a — versions n/a

Weakness classification (CWE)

References

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.