Path traversal in Nextcloud Calendar - CVE-2023-33183
Published: May 29, 2023
Vulnerability identifier: #VU76587
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-33183
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.
Affected software
Nextcloud Calendar
How to mitigate CVE-2023-33183
Install update from vendor's website.
Nextcloud Calendar - addressed in versions 3.5.5, 4.2.3