Medium
Security advisory
When using an object storage like S3 as the file store, when a user creates a public link to a folder where anonymous users can upload files, and another user uploads a virus the files antivirus app would detect the virus but fails to delete it due to permission issues. This affects the files_antivirus component versions before 0.15.2 for ownCloud.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-16144
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:37 UTC · Revision 1
Source evidence
When using an object storage like S3 as the file store, when a user creates a public link to a folder where anonymous users can upload files, and another user uploads a virus the files antivirus app would detect the virus but fails to delete it due to permission issues. This affects the files_antivirus component versions before 0.15.2 for ownCloud.
osv:CVE-2020-16144
Complete source record
{
"id": "0476c19b18dfe6509bf5bc9ce1da51681a852cd66239382c57743bd1d72e711c",
"url": "https://osv.dev/vulnerability/CVE-2020-16144",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-16144",
"summary": "When using an object storage like S3 as the file store, when a user creates a public link to a folder where anonymous users can upload files, and another user uploads a virus the files antivirus app would detect the virus but fails to delete it due to permission issues. This affects the files_antivirus component versions before 0.15.2 for ownCloud.",
"evidence": "osv:CVE-2020-16144",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-16144",
"aliases": [
"CVE-2020-16144"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/owncloud/files_antivirus",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "79eac16ad90127668687b2a53043613a0159cd05"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:owncloud:files_antivirus:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.15.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v0.11.2",
"v10.0beta2",
"v10.0.2RC1",
"v10.0.2",
"v10.0.1RC5",
"v10.0.1RC4",
"v10.0.1RC3",
"v10.0.1RC2",
"v10.0.1RC1",
"v10.0.1",
"v10.0.0beta2",
"v10.0.0RC5",
"v10.0.0RC4",
"v10.0.0RC3",
"v10.0.0RC2",
"v10.0.0RC1",
"v10.0.0",
"v10.0.0beta",
"v10.0.0alpha",
"v9.1.0beta2",
"v9.1.0beta1",
"v9.1.0RC1",
"v9.0.0RC1",
"v9.0beta1",
"v9.0.0beta2",
"v8.2RC2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16144.json"
}
}
],
"modified": "2026-10-24T10:30:20.927706298Z",
"provider": "osv",
"references": [
"https://owncloud.com/security-advisories/files-antivirus-doesnt-delete-virus-if-uploaded-through-public-link/"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-16144",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430379,
"published_at": "2021-02-09T18:15:18.197+00:00"
}