CVE-2016-9464
4.3 · MEDIUMOverview
CVE-2016-9464 is a medium-severity vulnerability affecting nextcloud nextcloud_server. It was published on March 28, 2017 and has a CVSS 3.0 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Nextcloud Server before 9.0.54 and 10.0.0 suffers from an improper authorization check on removing shares. The Sharing Backend as implemented in Nextcloud does differentiate between shares to users and groups. In case of a received group share, users should be able to unshare the file to themselves but not to the whole group. The previous API implementation simply unshared the file to all users in the group.
Remediation
Check the references section for vendor advisories and patches from nextcloud. Update nextcloud_server 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 |
|---|---|---|---|
| nextcloud | nextcloud_server | >= 0, < 9.0.54 | Affected |
References
Frequently Asked Questions
What is CVE-2016-9464?
CVE-2016-9464 is a medium-severity vulnerability affecting nextcloud nextcloud_server. It was published on March 28, 2017 and has a CVSS 3.0 base score of 4.3 (MEDIUM).
How severe is CVE-2016-9464?
This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2016-9464?
Check the references section for vendor advisories and patches from nextcloud. Update nextcloud_server 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-2016-9464?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-9464 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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