What is CVE-2021-3740?

CVE-2021-3740 is a medium-severity vulnerability in Chatwoot, classified under Session Fixation. CVSS score: 6.8/10. Published 2024-11-15.

How severe is CVE-2021-3740?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Is CVE-2021-3740 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Chatwoot

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 lea…

EPSS: 0.002 (9.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Chatwoot
Chatwoot Chatwoot/chatwoot — versions unspecified

Weakness classification (CWE)

CWE-384 — Session Fixation

Public proof-of-concept exploits

ajmalabubakkr/CVE

References

security@huntr.dev (Broken Link)
security@huntr.dev (Patch)

Frequently asked questions

What is CVE-2021-3740?: CVE-2021-3740 is a medium-severity vulnerability in Chatwoot, classified under Session Fixation. CVSS score: 6.8/10. Published 2024-11-15.
How severe is CVE-2021-3740?: Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2021-3740 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.