CVE-2020-16144 Missing authorization in n/a
Attackers can retain malicious files in ownCloud public folders because the antivirus plugin fails to delete them due to permission errors.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-16144?
CVE-2020-16144 is a medium-severity missing authorization vulnerability in n/a, published on 9 Feb 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
When using an object storage like S3 as the file store, when a user creates a public link to a folder where anonymous users can upload files, and another user uploads a virus the files antivirus app would detect the virus but fails to delete it due to permission issues. This affects the files_antivirus component versions before 0.15.2 for ownCloud.
Weakness: CWE-276
Which versions are affected by CVE-2020-16144?
It affects 1 product.
Products include Owncloud Files Antivirus.
How do I fix CVE-2020-16144?
No fix has been published for CVE-2020-16144 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-2020-16144 being exploited?
There is no known exploitation of CVE-2020-16144 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hqmr-r48f-jfqq.