#VU53422 Path traversal in QNAP QTS and QuTS hero - CVE-2021-28798

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Main Vulnerability Database Vulnerabilities #VU53422

#VU53422 Path traversal in QNAP QTS and QuTS hero - CVE-2021-28798

Published: May 21, 2021


Vulnerability identifier: #VU53422
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-28798
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
QNAP QTS
QuTS hero
Software vendor:
QNAP Systems, Inc.

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 attacker can send a specially crafted HTTP request and modify arbitrary files on the system.


Remediation

Install update from vendor's website.

External links