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MEDIUM · 6.8

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, allowin...

Vulnerability Description

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 Score

6.8

MEDIUM

CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ChatwootChatwoot< 2.4.0

Related Weaknesses (CWE)

CWE-384

References

FAQ

What is CVE-2021-3740?

CVE-2021-3740 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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, allowin...

How severe is CVE-2021-3740?

CVE-2021-3740 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3740?

Check the references section above for vendor advisories and patch information. Affected products include: Chatwoot Chatwoot.