OS Command Injection in QNAP QTS - CVE-2020-2509
Published: April 2, 2021 / Updated: July 28, 2022
Vulnerability identifier: #VU51879
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-2509
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote unauthenticated attacker can send specially crafted HTTP request to port 8080/TCP and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
QNAP QTS
How to mitigate CVE-2020-2509
Install updates from vendor's website.
QNAP QTS - update to 4.3.6.1620 20210322