Nextcloud Calendar App 3.x/4.x Path Disclosure when SMTP Unavailable
CVE-2023-33183 Published on May 30, 2023
Error in calendar when booking an appointment reveals the full path of the website
Calendar app for Nextcloud easily sync events from various devices with your Nextcloud. Some internal paths of the website are disclosed when the SMTP server is unavailable. It is recommended that the Calendar app is updated to 3.5.5 or 4.2.3
Vulnerability Analysis
CVE-2023-33183 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
CVE-2023-33183 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2023-33183
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Affected Versions
nextcloud security-advisories:- Version < 3.5.5 is affected.
- Version < 4.2.3 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.