High
Security advisory
An issue was discovered in CALDERA 2.9.0. The Debrief plugin receives base64 encoded "SVG" parameters when generating a PDF document. These SVG documents are parsed in an unsafe manner and can be leveraged for XXE attacks (e.g., File Exfiltration, Server Side Request Forgery, Out of Band Exfiltration, etc.).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-42560
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:58 UTC · Revision 1
Source evidence
An issue was discovered in CALDERA 2.9.0. The Debrief plugin receives base64 encoded "SVG" parameters when generating a PDF document. These SVG documents are parsed in an unsafe manner and can be leveraged for XXE attacks (e.g., File Exfiltration, Server Side Request Forgery, Out of Band Exfiltration, etc.).
osv:CVE-2021-42560
Complete source record
{
"id": "3e83484a54433da0cd1d59e7d2f55469b0f833ae36304c23a6c2486be1750693",
"url": "https://osv.dev/vulnerability/CVE-2021-42560",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-42560",
"summary": "An issue was discovered in CALDERA 2.9.0. The Debrief plugin receives base64 encoded \"SVG\" parameters when generating a PDF document. These SVG documents are parsed in an unsafe manner and can be leveraged for XXE attacks (e.g., File Exfiltration, Server Side Request Forgery, Out of Band Exfiltration, etc.).",
"evidence": "osv:CVE-2021-42560",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-42560",
"aliases": [
"CVE-2021-42560"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/apache/caldera",
"type": "GIT",
"events": [
{
"introduced": "b874da9bf24ec9025a1016305642298143daaa8e"
},
{
"last_affected": "b874da9bf24ec9025a1016305642298143daaa8e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:mitre:caldera:2.9.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.9.0"
},
{
"last_affected": "2.9.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.9.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42560.json"
}
}
],
"modified": "2026-10-20T10:55:00.825567846Z",
"provider": "osv",
"references": [
"https://github.com/mitre/caldera/releases",
"https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42560-Unsafe%20XML%20Parsing-MITRE%20Caldera"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-42560",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 386680,
"published_at": "2022-01-12T19:15:08.267+00:00"
}