4.3

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2023-5194

CVE-2023-5194: Mattermost Incorrect Authorization vulnerability

Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager

(GitHub Advisory)

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CVE-2023-5194

CVE-2023-5194:

4.3

CVSS Score

3.1

-

CVSS Score

Basic Information

Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
github.com/mattermost/mattermost/server/v8	go	= 8.1.0	8.1.1
github.com/mattermost/mattermost/server/v8	go	>= 8.0.0, < 8.0.2	8.0.2
github.com/mattermost/mattermost-server/v6	go	< 7.8.10	7.8.10

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability stems from insufficient privilege validation in user management operations. The pattern matches standard Mattermost architecture where:

UserService handles core user operations
Demotion/deactivation functions would normally require checking hierarchy
CWE-863 specifically indicates authorization flaws in these operations
The nature of manager-vs-manager escalation suggests missing checks in these core user modification functions While exact code isn't available, these are the canonical functions responsible for the described vulnerability based on Mattermost's architecture and Go package structure.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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4.3

-

Basic Information

Basic Information

Concerned about an active attack path?

CVE-2023-5194: Mattermost Incorrect Authorization vulnerability

CVE-2023-5194:

4.3

-

Basic Information

Basic Information

Technical Details

Technical Details

Vulnerability IntelligenceMiggo AI

Root Cause Analysis

Vulnerable functions

WAF Protection Rules

WAF Rule

Reasoning

Vulnerability IntelligenceMiggo AI

CVE-2023-5194: Mattermost Incorrect Authorization vulnerability

Technical Details

Basic Information

Basic Information

4.3

4.3

Vulnerability IntelligenceMiggo AI

Root Cause Analysis

Vulnerable functions

WAF Protection Rules

WAF Rule

Reasoning

Vulnerability Intelligence
Miggo AI

Vulnerability Intelligence
Miggo AI

Vulnerability Intelligence
Miggo AI