CVE-2017-0894 Information disclosure in Nextcloud Server
Attackers can access publicly shared calendars without valid tokens due to a logical error in Nextcloud Server.
- 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-2017-0894?
CVE-2017-0894 is a medium-severity vulnerability in Nextcloud Nextcloud Server, published on 8 May 2017. 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
Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.
Which versions are affected by CVE-2017-0894?
It affects 1 product.
Products include Nextcloud Nextcloud Server.
How do I fix CVE-2017-0894?
No fix has been published for CVE-2017-0894 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-0894 being exploited?
There is no known exploitation of CVE-2017-0894 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-2c99-9fv7-72hj.