CVE-2019-5455 Auth bypass in com.nextcloud.client
Attackers can bypass lock protection in the Nextcloud Android app by aborting the multi-account creation process, potentially accessing protected data.
- 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-2019-5455?
CVE-2019-5455 is a medium-severity authentication bypass vulnerability in com.nextcloud.client, 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
Bypassing lock protection exists in Nextcloud Android app 3.6.0 when creating a multi-account and aborting the process.
Which versions are affected by CVE-2019-5455?
It affects 1 product.
Products include Nextcloud Nextcloud.
How do I fix CVE-2019-5455?
No fix has been published for CVE-2019-5455 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-2019-5455 being exploited?
There is no known exploitation of CVE-2019-5455 in the wild and no public exploit code.
Other vulnerabilities in com.nextcloud.client
- CVE-2019-5454 SQL injection in com.nextcloud.client
- CVE-2021-43863 SQL Injection in FileContentProvider (GHSL-2021-1007)
- CVE-2019-5450 Cross-site scripting in com.nextcloud.client
- CVE-2021-22905 Information disclosure in Nextcloud Android App (com.nextcloud.client)
- CVE-2021-22912 Information disclosure in Nextcloud iOS app (it.twsweb.Nextcloud)
Sources
Also known as GHSA-9w7x-j65g-vf46.