#VU62837 Path traversal in QNAP Systems, Inc. products - CVE-2021-38693

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Main Vulnerability Database Vulnerabilities #VU62837

#VU62837 Path traversal in QNAP Systems, Inc. products - CVE-2021-38693

Published: May 6, 2022


Vulnerability identifier: #VU62837
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-38693
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
QNAP QTS
QuTS hero
QuTScloud
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 in thttpd. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


Remediation

Install update from vendor's website.

External links