CVE-2020-28645
9.1 · CRITICALOverview
CVE-2020-28645 is a critical-severity vulnerability affecting owncloud owncloud. It was published on February 9, 2021 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Deleting users with certain names caused system files to be deleted. Risk is higher for systems which allow users to register themselves and have the data directory in the web root. This affects ownCloud/core versions < 10.6.
Remediation
Check the references section for vendor advisories and patches from owncloud. Update owncloud 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 | owncloud | >= 0, < 10.6.0 | Affected |
Frequently Asked Questions
What is CVE-2020-28645?
CVE-2020-28645 is a critical-severity vulnerability affecting owncloud owncloud. It was published on February 9, 2021 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2020-28645?
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-28645?
Check the references section for vendor advisories and patches from owncloud. Update owncloud 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-2020-28645?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-28645 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
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