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CVE-2021-3742

HIGH
Published 2024-11-15T10:51:25.968Z
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Expert Analysis

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CVSS Score

V3.1
7.9
/10
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.278
Higher than 27.8% of all CVEs

Attack Vector Metrics

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

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

A Server-Side Request Forgery (SSRF) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to 2.5.0. The vulnerability allows an attacker to upload an SVG file containing a malicious SSRF payload. When the SVG file is used as an avatar and opened in a new tab, it can trigger the SSRF, potentially leading to host redirection.

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 HIGH

GHSA-gvwh-c4r7-8fm9

Advisory Details

A Server-Side Request Forgery (SSRF) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to 2.5.0. The vulnerability allows an attacker to upload an SVG file containing a malicious SSRF payload. When the SVG file is used as an avatar and opened in a new tab, it can trigger the SSRF, potentially leading to host redirection.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-3742
WEB https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c
WEB https://huntr.com/bounties/1625472546121-chatwoot/chatwoot

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

References

https://huntr.com/bounties/1625472546121-chatwoot/chatwoot
https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c
Published: 2024-11-15T10:51:25.968Z
Last Modified: 2024-11-18T14:53:23.071Z
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