What is the CVSS score of CVE-2023-39994?

CVE-2023-39994 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.3%.

How to fix or mitigate CVE-2023-39994?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Armember CVE-2023-39994

MEDIUM

Missing Authorization (CWE-862)

2025-01-02 audit@patchstack.com

WordPress Authentication Bypass Armember Wordpress Plugin Reputeinfosystems

4.3

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-862 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Authorization checks on every request MITRE ATT&CK 1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.30%.
Exploit ScenarioDerived	A remote attacker could access resources or perform actions without proper authorization checks by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

Missing Authorization vulnerability in Repute InfoSystems ARMember Premium allows Exploiting Incorrectly Configured Access Control Security Levels.9.2. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Earlier versions of this analysis (1)

v1 Mar 28, 2026 - 18:01 CVSS 4.3

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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 as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Missing Authorization vulnerability in Repute InfoSystems ARMember Premium allows Exploiting Incorrectly Configured Access Control Security Levels.9.2. Affected products include: Reputeinfosystems Armember. Version information: through 5.9.2..

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.3 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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

None

Availability

None

DescriptionCVE.org

Missing Authorization vulnerability in Repute InfoSystems ARMember Premium allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ARMember Premium: from n/a through 5.9.2.

Executive ViewAI

Why It Matters

Organizations using Missing Authorization vulnerability in Repute InfoSystems ARMember Premium should be aware of moderate risk from CVE-2023-39994, a missing authorization vulnerability rated CVSS 4.3. Attackers could gain access beyond their authorized level. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.3%

Top 47% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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 No

EPSS 0.3%

Patch available No

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

Defer

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +22

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

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

Affected Products (CPE)CVE.org

cpe:2.3:a:reputeinfosystems:armember:*:*:*:*:pro:wordpress:*:*

More in Armember

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The ARMember WordPress plugin before 3.4.8 is vulnerable to account takeover (even the administrator) due to missing non

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7.5 Jun 02

Unauthenticated SQL injection in the ARMember Premium WordPress plugin (versions up to and including 7.3.1) allows remot

CVE-2026-5076 CRITICAL Act Now

9.8 Jun 02

Account takeover in the ARMember Premium WordPress plugin through version 7.3.1 stems from the plugin storing a plaintex

CVE-2023-52200 CRITICAL Act Now

9.6 Jan 08

CSRF + deserialization chain in ARMember WordPress membership plugin.

CVE-2024-30223 CRITICAL Act Now

9.0 Mar 28

Deserialization of Untrusted Data vulnerability in Repute Infosystems ARMember.0.26. Rated critical severity (CVSS 9.0),

CVE-2024-32948 CRITICAL Act Now

9.1 Apr 24

Missing Authorization vulnerability in Repute Infosystems ARMember.0.28. Rated critical severity (CVSS 9.1), this vulner

CVE-2022-42888 HIGH This Week

8.8 Dec 06

Unauth. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor pat

CVE-2024-30222 HIGH This Week

8.5 Mar 28

Deserialization of Untrusted Data vulnerability in Repute Infosystems ARMember.0.26. Rated high severity (CVSS 8.5), thi

CVE-2022-46808 HIGH This Week

8.2 Nov 03

A vulnerability in reputeinfosystems ARMember armember-membership.4.11. Rated high severity (CVSS 8.2), this vulnerabili

CVE-2023-3011 MEDIUM This Month

6.5 Jul 12

The ARMember plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.0.5. R

CVE-2026-5074 MEDIUM This Month

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SQL Injection in ARMember Premium WordPress membership plugin (versions up to and including 7.3.1) enables authenticated

CVE-2024-27995 MEDIUM This Month

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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Repute Infosystems

Same weakness CWE-862 – Missing Authorization

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CVE-2023-52163 HIGH POC

8.8

CVE-2025-6205 CRITICAL POC

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CVE-2025-20362 HIGH POC

8.6

CVE-2017-9232 CRITICAL POC

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CVE-2023-6875 CRITICAL POC

9.8

CVE-2024-4898 CRITICAL POC

9.8

CVE-2023-32117 CRITICAL POC

9.8

CVE-2020-36719 CRITICAL POC

9.8

Same technique Authentication Bypass

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CVE-2015-3306 CRITICAL POC

10.0

CVE-2023-22515 CRITICAL POC

9.8

CVE-2012-4681 CRITICAL POC

9.8

CVE-2013-2465 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

9.8

CVE-2022-40684 CRITICAL POC

9.8

CVE-2025-61882 CRITICAL POC

9.8

CVE-2024-0012 CRITICAL POC

9.3

References

Advisories & patches

REF https://patchstack.com/database/Wordpress/Plugin/armember/vulnerability/wordpress-armember-premium-wordpress-membership-plugin-plugin-5-9-2-broken-access-control?_s_id=cve REF https://patchstack.com/database/wordpress/plugin/armember/vulnerability/wordpress-armember-premium-wordpress-membership-plugin-plugin-5-9-2-broken-access-control?_s_id=cve

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