CVE-2020-12848 Auth bypass in n/a
An attacker with a public link can extract hidden account credentials to log in and perform unauthorized actions beyond the share scope.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-12848?
CVE-2020-12848 is a medium-severity authentication bypass vulnerability in n/a, published on 5 Jun 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In Pydio Cells 2.0.4, once an authenticated user shares a file selecting the create a public link option, a hidden shared user account is created in the backend with a random username. An anonymous user that obtains a valid public link can get the associated hidden account username and password and proceed to login to the web application. Once logged into the web application with the hidden user account, some actions that were not available with the public share link can now be performed.
Weakness: CWE-287
Which versions are affected by CVE-2020-12848?
It affects 1 product.
Products include Pydio Cells.
How do I fix CVE-2020-12848?
No fix has been published for CVE-2020-12848 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-12848 being exploited?
There is no known exploitation of CVE-2020-12848 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w35p-28wq-4wph.