CVE-2019-12102 Missing authorization in n/a

Critical 9.1 Published 22 May 2019 Updated 15 Nov 2024

Attackers can upload and access media files without authentication if media library permissions are not properly configured by administrators.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-12102?

CVE-2019-12102 is a critical missing authorization vulnerability in Kentico Xperience, published on 22 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Kentico 11 through 12 lets attackers upload and explore files without authentication via the cmsmodules/medialibrary/formcontrols/liveselectors/insertimageormedia/tabs_media.aspx URI. NOTE: The vendor disputes the report because the researcher did not configure the media library permissions correctly. The vendor states that by default all users can read/modify/upload files, and it’s up to the administrator to decide who should have access to the media library and set the permissions accordingly. See the vendor documentation in the references for more information

Weakness: CWE-732

Which versions are affected by CVE-2019-12102?

It affects 1 product.

Products include Kentico Xperience.

How do I fix CVE-2019-12102?

No fix has been published for CVE-2019-12102 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2019-12102 being exploited?

There is no known exploitation of CVE-2019-12102 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Kentico Xperience vulnerabilities

Sources

Also known as GHSA-56jq-wf2p-g55v.