QNAP Network-Attached Storage (NAS) Command Injection Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-04-11
• EPSS: 34% chance of exploitation in the next 30 days (higher than 98% of CVEs)
• Critical severity: CVSS 9.8

[ Description ]Official 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

CISA: QNAP NAS devices contain a command injection vulnerability which could allow attackers to perform remote code execution.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 2 May 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• www.qnap.com/en/security-advisory/qsa-21-05Vendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource