CVE-2018-16464 Missing authorization in Nextcloud Server
Attackers can retain access to password-protected shares after the owner changes the password due to a missing access check.
- 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-2018-16464?
CVE-2018-16464 is a medium-severity missing authorization vulnerability in Nextcloud Nextcloud Server, published on 30 Oct 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A missing access check in Nextcloud Server prior to 14.0.0 could lead to continued access to password protected link shares when the owner had changed the password.
Weakness: CWE-287
Which versions are affected by CVE-2018-16464?
It affects 1 product.
Products include Nextcloud Nextcloud Server.
How do I fix CVE-2018-16464?
No fix has been published for CVE-2018-16464 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-2018-16464 being exploited?
There is no known exploitation of CVE-2018-16464 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-j92w-qfjr-c5j9.