CVE-2021-33828
8.8 · HIGHOverview
CVE-2021-33828 is a high-severity vulnerability affecting owncloud files_antivirus. It was published on January 15, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from owncloud. Update files_antivirus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| owncloud | files_antivirus | >= 0, < 1.0.0 | Affected |
Frequently Asked Questions
What is CVE-2021-33828?
CVE-2021-33828 is a high-severity vulnerability affecting owncloud files_antivirus. It was published on January 15, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2021-33828?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-33828?
Check the references section for vendor advisories and patches from owncloud. Update files_antivirus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-33828?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-33828 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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