Skip to content
OpenAdvisories
Critical · 9.8 Known exploited Public exploit CVE-2020-2509 EUVD-2020-22302GHSA-77jf-5mcg-g6m9

Command Injection Vulnerability in QTS and QuTS hero

Published Apr 17, 2021 · Updated Oct 21, 2025 · Assigned by qnap

Vendor: QNAP Systems Product: QTS Product: QuTS hero

Description

A command injection vulnerability has been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. We have already fixed this vulnerability in the following versions: QTS 4.5.2.1566 Build 20210202 and later QTS 4.5.1.1495 Build 20201123 and later QTS 4.3.6.1620 Build 20210322 and later QTS 4.3.4.1632 Build 20210324 and later QTS 4.3.3.1624 Build 20210416 and later QTS 4.2.6 Build 20210327 and later QuTS hero h4.5.1.1491 build 20201119 and later

Affected products

VendorProductAffectedFixed
QNAP Systems QTS unspecified – < 4.5.2.1566 Build 20210202, unspecified – < 4.5.1.1495 Build 20201123, unspecified – < 4.3.6.1620 Build 20210322, unspecified – < 4.3.4.1632 Build 20210324, unspecified – < 4.3.3.1624 Build 20210416, unspecified – < 4.2.6 Build 20210327 4.5.2.1566 Build 20210202
QNAP Systems QuTS hero unspecified – < h4.5.1.1491 build 20201119 h4.5.1.1491 build 20201119

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References