SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2020-2509

QNAP Network-Attached Storage (NAS) Command Injection Vulnerability

KEVCRITICAL 9.8EPSS 33.4%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 2 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
33.38% probability · 98th percentile
CISA KEV
Listed 11 April 2022 · due 2 May 2022
Weakness
CWE-77, CWE-78
Affected
qnap/qts · qnap/quts hero
Source
security@qnapsecurity.com.tw

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-2509

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.