CVE-2021-3740

A Session Fixation vulnerability exists in chatwoot/chatwoot versions prior to 2.4.0. The application does not invalidate existing sessions on other devices when a user changes their password, allowing old sessions to persist. This can lead to unauthorized access if an attacker has obtained a session token.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c	Patch
https://huntr.com/bounties/1625470476437-chatwoot/chatwoot	Broken Link

Configurations

Configuration 1 (hide)

cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*

History

10 Jul 2025, 16:31

Type	Values Removed	Values Added
CPE		cpe:2.3:a:chatwoot:chatwoot::::::::
First Time		Chatwoot chatwoot Chatwoot
References	~~() https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c -~~	() https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c - Patch
References	~~() https://huntr.com/bounties/1625470476437-chatwoot/chatwoot -~~	() https://huntr.com/bounties/1625470476437-chatwoot/chatwoot - Broken Link

Information

Published : 2024-11-15 11:15

Updated : 2025-07-10 16:31

NVD link : CVE-2021-3740

Mitre link : CVE-2021-3740

CVE.ORG link : CVE-2021-3740

JSON object : View

Products Affected

chatwoot

chatwoot

CWE

CWE-384

Session Fixation

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