Link following in QNAP Systems, Inc. products - CVE-2021-44052
Published: May 6, 2022
Vulnerability identifier: #VU62839
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-44052
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: QNAP Systems, Inc.
Affected software:
QNAP QTS
QuTS hero
QuTScloud
QNAP QTS
QuTS hero
QuTScloud
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to link following issue. A remote attacker can traverse the file system to unintended locations and read or overwrite files.
How to mitigate CVE-2021-44052
Install updates from vendor's website.