High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-3742
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:50 UTC · Revision 1
Source evidence
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.
osv:CVE-2021-3742
Complete source record
{
"id": "cc9401b81008f91d91886464c6038e1f0adde85c0a5abf30229ebeefd9b9e2f7",
"url": "https://osv.dev/vulnerability/CVE-2021-3742",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-3742",
"summary": "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.",
"evidence": "osv:CVE-2021-3742",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-3742",
"aliases": [
"CVE-2021-3742"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/chatwoot/chatwoot",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "63b1013b450c1539ace1cc6f5657368a33e196bc"
},
{
"fixed": "6fdd4a29969be8423f31890b807d27d13627c50c"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.5.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "6fdd4a29969be8423f31890b807d27d13627c50c"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v2.4.1",
"v2.4.0",
"v2.3.2",
"v2.3.1",
"v2.3.0",
"v2.2.1",
"v2.2.0",
"v2.1.1",
"v2.1.0",
"v2.0.2",
"v2.0.1",
"v2.0.0",
"v1.22.1",
"v1.22.0",
"v1.21.1",
"v1.21.0",
"v1.20.0",
"v1.19.0",
"v1.18.1",
"v1.18.0",
"v1.17.1",
"v1.17.0",
"v1.16.2",
"v1.16.1",
"v1.15.1",
"v1.15.0",
"v1.14.3",
"v1.14.2",
"v1.14.1",
"v1.14.0",
"v1.13.1",
"v1.13.0",
"v1.12.2",
"v1.12.1",
"v1.12.0",
"v1.11.1",
"v1.11.0",
"v1.10.0",
"v1.9.0",
"v1.8.0",
"v1.7.2",
"v1.7.1",
"v1.7.0",
"v1.6.3",
"v1.6.2",
"v1.6.1",
"v1.6.0",
"v1.5.3",
"v1.5.2",
"v1.5.1",
"v1.5.0",
"v1.4.2",
"1.4.2",
"v1.4.1",
"v1.4.0",
"v1.3.0",
"v1.2.4",
"1.2.4",
"v1.2.3",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.1.3",
"v1.1.2",
"v1.1.1",
"v1.1.0",
"v1.0.3",
"v1.0.2",
"v1.0.1",
"v1.0.0",
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3742.json"
}
}
],
"modified": "2026-10-20T10:54:49.181834732Z",
"provider": "osv",
"references": [
"https://huntr.com/bounties/1625472546121-chatwoot/chatwoot",
"https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-3742",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 386201,
"published_at": "2024-11-15T11:15:05.547+00:00"
}