Medium severity · published Nov 15, 2024
CVE-2021-3740
Session Fixation in chatwoot/chatwoot
6.8
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
High
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
chatwoot/chatwoot · chatwoot
before 2.4.0 · source: vendor
CH
Chatwoot · Chatwoot
before 2.4.0 · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3740
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3740
Patch
https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c
Broken Link
https://huntr.com/bounties/1625470476437-chatwoot/chatwoot
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