CVE-2016-9461
4.3 · MEDIUMOverview
CVE-2016-9461 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 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files.
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, < 9.0.52 | Affected |
| owncloud | owncloud | >= 0, < 9.0.4 | Affected |
References
Frequently Asked Questions
What is CVE-2016-9461?
CVE-2016-9461 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-2016-9461?
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-2016-9461?
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-2016-9461?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-9461 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.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related MEDIUM CVEs from 2016
View all →Unspecified vulnerability in the Oracle Applications Framework component in Oracle E-Business Suite
Remote Artifact Loader (RAL) in IBM WebSphere Process Server 7 and Business Process Manager Advanced
Jazz Team Server in Jazz Foundation in IBM Rational Collaborative Lifecycle Management (CLM) 3.x and
HP Helion Eucalyptus 4.1.x before 4.1.2 and HPE Helion Eucalyptus 4.2.x before 4.2.1 allow remote au
Huawei TE30, TE40, TE50, and TE60 multimedia video conferencing endpoints with software before V100R
Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 a
Dell SecureWorks app before 2.1 for iOS does not validate SSL certificates, which allows man-in-the-
Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) v
The enrol_meta_sync function in enrol/meta/locallib.php in Moodle through 2.6.11, 2.7.x before 2.7.1
Atto in Moodle 2.8.x before 2.8.9 and 2.9.x before 2.9.3 allows remote attackers to cause a denial o
The checkHTTP function in libraries/Config.class.php in phpMyAdmin 4.5.x before 4.5.5.1 does not ver
The USB Mass Storage Class driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1