What is CVE-2023-3304?

CVE-2023-3304 is a medium-severity vulnerability in Admidio, classified under Improper Access Control. CVSS score: 5.4/10. Published 2023-06-23.

How severe is CVE-2023-3304?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Admidio

CVE-2023-3304

Improper Access Control in GitHub repository admidio/admidio prior to 4.2.9.

Published 2023-06-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (33.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Admidio
Admidio Admidio/admidio — versions unspecified

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

huntr.dev/bounties/721fae61-3c8c-4e4b-8407-64321bc0ed17 (Exploit, Patch, Third Party Advisory)
github.com/admidio/admidio/commit/3b248b7d5e0e60a00ee2f9a6908d538d62a5837f (Patch)

Frequently asked questions

What is CVE-2023-3304?: CVE-2023-3304 is a medium-severity vulnerability in Admidio, classified under Improper Access Control. CVSS score: 5.4/10. Published 2023-06-23.
How severe is CVE-2023-3304?: Medium severity. CVSS v3 base score is 5.4 out of 10.