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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-16144

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

CVE-2020-16144

core-osv · Original source

Published 9 Feb 2021, 18:15 UTC

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"
}