High
Security advisory
A problem was found in Pydio Core before 8.2.4 and Pydio Enterprise before 8.2.4. A PHP object injection is present in the page plugins/uploader.http/HttpDownload.php. An authenticated user with basic privileges can inject objects and achieve remote code execution.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-20453
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:57 UTC · Revision 1
Source evidence
A problem was found in Pydio Core before 8.2.4 and Pydio Enterprise before 8.2.4. A PHP object injection is present in the page plugins/uploader.http/HttpDownload.php. An authenticated user with basic privileges can inject objects and achieve remote code execution.
osv:CVE-2019-20453
Complete source record
{
"id": "2f9916b89b09389b02ec905b07ef78d5ec50a8f8fafe7841780b8461875c2d6e",
"url": "https://osv.dev/vulnerability/CVE-2019-20453",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-20453",
"summary": "A problem was found in Pydio Core before 8.2.4 and Pydio Enterprise before 8.2.4. A PHP object injection is present in the page plugins/uploader.http/HttpDownload.php. An authenticated user with basic privileges can inject objects and achieve remote code execution.",
"evidence": "osv:CVE-2019-20453",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-20453",
"aliases": [
"CVE-2019-20453"
],
"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/pydio/pydio-core",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "be554dd1ea1a07b4de4ab2a1976041f5337be907"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:pydio:pydio:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "8.2.4"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:pydio:pydio:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "8.2.4"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"pydio-core-8.2.3",
"pydio-core-8.2.2",
"pydio-core-8.0.2",
"pydio-core-7.0.4",
"pydio-core-7.0.3",
"pydio-core-7.0.2",
"pydio-core-6.4.2",
"pydio-core-6.4.2rc1",
"pydio-core-6.4.1",
"pydio-core-6.4.0",
"pydio-core-6.4.0rc3",
"pydio-core-6.4.0rc2",
"pydio-core-6.4.0rc1",
"pydio-core-6.2.2",
"pydio-core-6.3.1",
"pydio-core-6.2.2rc3",
"pydio-core-6.2.2rc2",
"pydio-core-6.2.2rc",
"pydio-core-6.2.1",
"pydio-core-6.2.0",
"6.2rc",
"pydio-core-6.0.8",
"pydio-core-6.0.7",
"pydio-core-5.2.5",
"pydio-core-6.0.6",
"pydio-core-6.0.5",
"pydio-core-6.0.4",
"pydio-core-6.0.3",
"pydio-core-6.0.2",
"pydio-core-6.0.1",
"pydio-core-6.0.0",
"pydio-core-5.2.4",
"pydio-core-5.2.3",
"pydio-core-5.2.2",
"pydio-core-5.2.1",
"pydio-core-5.2.0",
"pydio-core-5.1.1",
"pydio-core-5.1.0",
"ajaxplorer-core-5.0.2",
"ajaxplorer-core-5.0.1",
"ajaxplorer-core-5.0.0",
"ajaxplorer-core-4.3.4",
"ajaxplorer-core-4.3.3",
"ajaxplorer-core-4.3.2",
"ajaxplorer-core-4.3.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20453.json"
}
}
],
"modified": "2026-10-24T10:30:33.924640221Z",
"provider": "osv",
"references": [
"https://pydio.com/en/community/releases/pydio-core/pydio-core-pydio-enterprise-824-security-release",
"https://www.certilience.fr/2020/03/cve-2019-20453-vulnerabilite-php-object-injection-pydio-core/"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-20453",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 433408,
"published_at": "2020-03-17T14:15:11.847+00:00"
}