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CVE-2021-3740

MEDIUM
Published 2024-11-15T10:57:09.236Z
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Expert Analysis

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CVSS Score

V3.1
6.8
/10
CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.150
Higher than 15.0% of all CVEs

Attack Vector Metrics

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

chatwoot

chatwoot/chatwoot

Affected Versions:

unspecified
chatwoot

chatwoot

Affected Versions:

0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-7c75-4mxr-f248

Advisory Details

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 Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.0/AV:A/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-3740
WEB https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c
WEB https://huntr.com/bounties/1625470476437-chatwoot/chatwoot

Advisory provided by GitHub Security Advisory Database. Published: November 15, 2024, Modified: November 15, 2024

References

https://huntr.com/bounties/1625470476437-chatwoot/chatwoot
https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c
Published: 2024-11-15T10:57:09.236Z
Last Modified: 2024-11-15T19:03:09.228Z
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