CVE-2021-3740: Session Fixation in chatwoot/chatwoot
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2021-3740?
CVE-2021-3740 has a medium severity rating due to the potential for unauthorized access through persistent sessions after a password change.
How do I fix CVE-2021-3740?
To fix CVE-2021-3740, upgrade Chatwoot to version 2.4.0 or later, which addresses the session fixation vulnerability.
What systems are affected by CVE-2021-3740?
CVE-2021-3740 affects all versions of Chatwoot prior to 2.4.0.
Can CVE-2021-3740 lead to data breaches?
Yes, CVE-2021-3740 can lead to unauthorized access and potential data breaches if an attacker exploits the session fixation vulnerability.
Is there a workaround for CVE-2021-3740?
Currently, the best workaround for CVE-2021-3740 is to manually invalidate sessions upon password change until an upgrade can be performed.