CVE-2017-0892 Auth bypass in Nextcloud Server
Attackers can use application-specific passwords without file permissions to access user files, bypassing authorization controls in Nextcloud Server.
- 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-2017-0892?
CVE-2017-0892 is a low-severity authentication bypass vulnerability in Nextcloud Nextcloud Server, published on 8 May 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Nextcloud Server before 11.0.3 is vulnerable to an improper session handling allowed an application specific password without permission to the files access to the users file.
Which versions are affected by CVE-2017-0892?
It affects 1 product.
Products include Nextcloud Nextcloud Server.
How do I fix CVE-2017-0892?
No fix has been published for CVE-2017-0892 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-2017-0892 being exploited?
There is no known exploitation of CVE-2017-0892 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-v6cm-gq9r-7cpp.