CVE-2015-6670 Missing authorization in n/a

What is CVE-2015-6670?

CVE-2015-6670 is a medium-severity missing authorization vulnerability in Owncloud Owncloud Server, published on 26 Oct 2015. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

ownCloud Server before 7.0.8, 8.0.x before 8.0.6, and 8.1.x before 8.1.1 does not properly check ownership of calendars, which allows remote authenticated users to read arbitrary calendars via the calid parameter to apps/calendar/export.php.

Which versions are affected by CVE-2015-6670?

It affects 1 product.

Products include Owncloud Owncloud Server.

How do I fix CVE-2015-6670?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2015-6670 being exploited?

There is no known exploitation of CVE-2015-6670 in the wild and no public exploit code.

Other vulnerabilities in Owncloud Owncloud Server

• CVE-2023-49105 ownCloud Improper Authentication Exploited Critical 9.8
• CVE-2015-7699 Code injection in n/a Critical 9.0
• CVE-2015-6500 Path traversal in n/a High 7.5
• CVE-2014-2051 Code injection in n/a High 7.5
• CVE-2014-2054 PHPExcel vulnerable to XXE attacks through libxml High 7.5

All Owncloud Owncloud Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jm84-v35x-p8jw.