CVE-2023-22471 Nextcloud Deck vulnerable to authorization bypass
A broken access control flaw allows users to delete attachments belonging to other users in the Nextcloud Deck application.
- 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-2023-22471?
CVE-2023-22471 is a low-severity missing authorization vulnerability in nextcloud security-advisories, published on 14 Jan 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Broken access control allows a user to delete attachments of other users. There are currently no known workarounds. It is recommended that the Nextcloud Deck app is upgraded to 1.6.5 or 1.7.3 or 1.8.2.
Weakness: CWE-639
Which versions are affected by CVE-2023-22471?
It affects 1 product.
Products include Nextcloud Deck.
How do I fix CVE-2023-22471?
No fix has been published for CVE-2023-22471 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-2023-22471 being exploited?
There is no known exploitation of CVE-2023-22471 in the wild and no public exploit code.
Other vulnerabilities in nextcloud security-advisories
- CVE-2021-39225 Missing permission check on Deck API
- CVE-2020-8182 Missing authorization in Nextcloud Deck
- CVE-2021-37631 Circle can be accessed by non-Circle members in Nextcloud Deck
- CVE-2021-22913 Information disclosure in Nextcloud Deck
- CVE-2023-22469 Nextcloud Deck card vulnerable to data leak to unauthorized users via reference preview cache
Sources
Also known as GHSA-2vw5-pfg6-3wm6.