Path traversal in Nextcloud Server - CVE-2021-41178
Published: October 26, 2021
Vulnerability identifier: #VU57653
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-41178
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Nextcloud Server
Nextcloud Server
Software vendor:
Nextcloud
Nextcloud
Description
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 authenticated attacker can send a specially crafted HTTP request and download arbitrary SVG images.
Remediation
Install update from vendor's website.