CVE-2021-44051

HIGHCVSS 8.8/10EPSS 1.61%

Last modified

CVE-2021-44051 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 1.61% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.61%

72.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
QnapQts>= 5.0.0.1716, < 5.0.0.1986
QnapQts>= 4.3.3.0174, < 4.3.3.1945
QnapQts>= 4.3.4.0899, < 4.3.4.1976
QnapQts>= 4.3.6.0895, < 4.3.6.1965
QnapQts>= 4.4.0.0883, < 4.5.4.1991
QnapQts4.2.6Build 20170517
QnapQuts Hero< h4.5.4.1771
QnapQuts Hero>= h5.0.0.1772, < h5.0.0.1986
QnapQutscloud< c5.0.1.1998

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-44051?
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
How severe is CVE-2021-44051?
CVE-2021-44051 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.61% probability of exploitation in the next 30 days.
How do I fix CVE-2021-44051?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44051?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST