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Admidio CVE-2023-3304

MEDIUM
Improper Access Control (CWE-284)
2023-06-23 security@huntr.dev
5.4
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.4% exploitation probability (EPSS)

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AnalysisAI

Improper Access Control in GitHub repository admidio/admidio prior to 4.2.9. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

composer admidio/admidio fix: 4.2.9

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in composer

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-284. Improper Access Control in GitHub repository admidio/admidio prior to 4.2.9. Affected products include: Admidio. Version information: prior to 4.2.9..

Severity by source

NVD PRIMARY 5.4 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

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

Threat Intelligence Overview

EPSS Score
0.4%
Top 66% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.4%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +27
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:admidio:admidio:*:*:*:*:*:*:*:*
CVE-2024-38529 HIGH POC
8.8 Jul 29

Admidio is a free, open source user management system for websites of organizations and groups. Rated high severity (CVS

CVE-2024-37906 HIGH POC
8.8 Jul 29

Admidio is a free, open source user management system for websites of organizations and groups. Rated high severity (CVS

CVE-2021-32630 HIGH POC
8.8 May 20

Admidio is a free, open source user management system for websites of organizations and groups. Rated high severity (CVS

CVE-2023-3302 HIGH POC
7.8 Jun 23

Improper Neutralization of Formula Elements in a CSV File in GitHub repository admidio/admidio prior to 4.2.9. Rated hig

CVE-2017-6492 HIGH POC
7.2 Mar 05

SQL Injection was discovered in adm_program/modules/dates/dates_function.php in Admidio 3.2.5. Rated high severity (CVSS

CVE-2025-62617 HIGH POC
7.2 Oct 22

Authenticated SQL injection in Admidio through 4.3.16 allows users with role-assignment privileges to execute arbitrary

CVE-2023-3692 HIGH POC
7.2 Jul 16

Unrestricted Upload of File with Dangerous Type in GitHub repository admidio/admidio prior to 4.2.10. Rated high severit

CVE-2022-0991 HIGH POC
7.1 Mar 19

Insufficient Session Expiration in GitHub repository admidio/admidio prior to 4.1.9. Rated high severity (CVSS 7.1), thi

CVE-2018-25370 MEDIUM POC
6.9 May 25

Admidio 3.3.5 contains a cross-site request forgery vulnerability that allows low-privilege users to increase their perm

CVE-2023-4190 MEDIUM POC
6.5 Aug 06

Insufficient Session Expiration in GitHub repository admidio/admidio prior to 4.2.11. Rated medium severity (CVSS 6.5),

CVE-2023-47380 MEDIUM POC
6.1 Nov 22

Admidio v4.2.12 and below is vulnerable to Cross Site Scripting (XSS). Rated medium severity (CVSS 6.1), this vulnerabil

CVE-2021-43810 MEDIUM POC
6.1 Dec 07

Admidio is a free open source user management system for websites of organizations and groups. Rated medium severity (CV

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