What is CVE-2023-23327?

CVE-2023-23327 is a medium-severity vulnerability in Avantfax, classified under Information Disclosure. CVSS score: 4.9/10. Published 2023-03-10.

How severe is CVE-2023-23327?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Information disclosure in Avantfax

CVE-2023-23327

An Information Disclosure vulnerability exists in AvantFAX 3.3.7. Backups of the AvantFAX sent/received faxes, and database backups are stored using the current date as the filename and hosted on the web server without access controls.

Vulnerability class: Information Disclosure

Published 2023-03-10 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.0th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Avantfax — versions 3.3.7

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/superkojiman/vulnerabilities/blob/master/AvantFAX-3.3.7/README.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-23327?: CVE-2023-23327 is a medium-severity vulnerability in Avantfax, classified under Information Disclosure. CVSS score: 4.9/10. Published 2023-03-10.
How severe is CVE-2023-23327?: Medium severity. CVSS v3 base score is 4.9 out of 10.