Nextcloud Deck 1.6/1.7/1.8 Access Control Bypass Delete Attachments
CVE-2023-22471 Published on January 14, 2023
Nextcloud Deck vulnerable to authorization bypass
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.
Vulnerability Analysis
CVE-2023-22471 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is an Insecure Direct Object Reference / IDOR Vulnerability?
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CVE-2023-22471 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.
Products Associated with CVE-2023-22471
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Affected Versions
nextcloud security-advisories:- Version >= 1.60, < 1.6.5 is affected.
- Version >= 1.7.0, < 1.7.3 is affected.
- Version >= 1.8.0, < 1.8.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.