Home/CVE/The files_antivirus component before 1.0.0 for ownCloud mishandles the protection mechanism by which malicious files (th
CVE

CVE-2021-33828

The files_antivirus component before 1.0.0 for ownCloud mishandles the protection mechanism by which malicious files (th

The files_antivirus component before 1.0.0 for ownCloud mishandles the protection mechanism by which malicious files (that have been uploaded to a public share) are supposed to be deleted upon detection.

HIGH · CVSS 8.8 EPSS 0.00536
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-434Unrestricted Upload of File with Dangerous Type
▤

Affected Products & Versions

1
owncloud files antivirus< 1.0.0
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Jan 2022 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://doc.owncloud.com/server/admin_manual/release_notes.htmlRelease NotesVendor Advisory
https://owncloud.com/security-advisories/cve-2021-33828/Vendor Advisory
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