Vulnerability record

CVE-2020-2509

QNAP Network-Attached Storage (NAS) Command Injection Vulnerability

Severity: CriticalExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run QNAP Network-Attached Storage (NAS), fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by May 2, 2022.

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.

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

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsFixed inSource
QNAP Network-Attached Storage (NAS)QNAP——KEV
QTSQNAP< 4.2.6; >= 4.3.5, < 4.3.6; >= 4.4.0, < 4.5.1; 4.2.6; 4.3.3.0174; 4.3.3.08684.2.6; 4.3.6; 4.5.1NVD

Sources: KEV = CISA Known Exploited Vulnerabilities catalog; NVD = NIST National Vulnerability Database.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2020-2509 scored CVSS 9.8: QNAP QNAP Network-Attached Storage (NAS), QNAP Network-Attached Storage (NAS) Command Injection Vulnerability

    CISA lists this as exploited in the wild. Unpatched QNAP Network-Attached Storage (NAS) systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2020-2509
  • qnap.com https://www.qnap.com/en/security-advisory/qsa-21-05
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2509