A command injection vulnerability has been reported to affect QNAP NAS running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero and QTS: QuTScloud c5.0.1.1949 and later QuTS hero h5.0.0.1986 build 20220324 and later QTS 5.0.0.1986 build 20220324 and later
CVE-2021-44051
HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-06. NVD baseline CVSS 8.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 8.8Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EG Risk
- 45(Track)EG Risk 45/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity88% × 45%Exploitation2% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 2%
- EPSS %ILE
- 76%
- KEV
- Not listed
Published
May 5, 2022
Last Modified
November 21, 2024
References (2)
- security@qnapsecurityhttps://www.qnap.com/en/security-advisory/qsa-22-16
- af854a3a-2127-422b-91ae-364da2661108https://www.qnap.com/en/security-advisory/qsa-22-16
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Frequently asked(5)
What is CVE-2021-44051?
CVE-2021-44051 is a high vulnerability published on May 5, 2022. A command injection vulnerability has been reported to affect QNAP NAS running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero and QTS:…
When was CVE-2021-44051 disclosed?
CVE-2021-44051 was first published in the National Vulnerability Database on May 5, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-44051 actively exploited?
CVE-2021-44051 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 24.2% of all scored CVEs.
What is the CVSS score of CVE-2021-44051?
CVE-2021-44051 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2021-44051?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-44051, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2021-44051
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