This security bulletin contains one low risk vulnerability.
Exploit availability: NoDescription
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.Mitigation
Install update from vendor's website.Vulnerable software versions
Nextcloud Calendar: 3.5.4 - 4.2.2CPE2.3
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?