CVE-2023-23327: avantfax
CVSS: 4.9v3.1MediumModified
Published 10-03-2023Last modified 09-07-2026
Vulnerability summary
CVE-2023-23327 is a medium (CVSS 4.9) vulnerability in avantfax. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
4.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.83%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 10-03-2023PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.83%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
0.00 pp
From 0.83% on 21-09-2026
21-09-202621-10-2026
EPSS score0.83%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundVulnerabilities
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Avantfax1 product
- avantfax3.3.7
1 vendor · 1 product
References
1 links- github.com/superkojiman/vulnerabilities/blob/master/AvantFAX-3.3.7/README.mdExploitThird Party Advisory