CVE-2019-5451 Auth bypass in com.nextcloud.client
Attackers can bypass the app lock to access files by rapidly opening and closing the Nextcloud Android application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-5451?
CVE-2019-5451 is a medium-severity authentication bypass vulnerability in Nextcloud Nextcloud Server, published on 30 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Bypass lock protection in the Nextcloud Android app prior to version 3.6.1 allows accessing the files when repeatedly opening and closing the app in a very short time.
Which versions are affected by CVE-2019-5451?
It affects 1 product.
Products include Nextcloud Nextcloud Server.
How do I fix CVE-2019-5451?
No fix has been published for CVE-2019-5451 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-2019-5451 being exploited?
There is no known exploitation of CVE-2019-5451 in the wild and no public exploit code.
Other vulnerabilities in Nextcloud Nextcloud Server
- CVE-2021-32802 Preview generation used third-party library not suited for user-generated content in Nextcloud server
- CVE-2023-26482 Scope of workflow operations is not validated in nextcloud server
- CVE-2018-3775 Auth bypass in Nextcloud Server
- CVE-2023-35172 Nextcloud Server password reset endpoint is not brute force protected
- CVE-2023-32320 Nextcloud Server's brute force protection allows someone to send more requests than intended
Sources
Also known as GHSA-vgrh-7g93-824h.