Vulnerability Details : CVE-2021-3742
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.
Vulnerability category: Server-side request forgery (SSRF)
Products affected by CVE-2021-3742
- cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3742
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3742
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.9
|
HIGH | CVSS:3.0/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H |
N/A
|
N/A
|
huntr.dev | 2024-11-15 |
|
7.9
|
HIGH | CVSS:3.0/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H |
1.2
|
6.0
|
huntr.dev | 2024-11-15 |
|
7.9
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H |
1.2
|
6.0
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-11-18 |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | 2024-11-19 |
CWE ids for CVE-2021-3742
-
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.Assigned by:
- c09c270a-b464-47c1-9133-acb35b22c19a (Primary)
- security@huntr.dev (Primary)
References for CVE-2021-3742
-
https://huntr.com/bounties/1625472546121-chatwoot/chatwoot
huntr: Page not foundBroken Link
-
https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c
chore: Security Improvements to the API (#2893) · chatwoot/chatwoot@6fdd4a2 · GitHubProduct
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