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CVE-2021-44054

MEDIUMCVSS 6.1/10EPSS 0.53%

Last modified

CVE-2021-44054 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An open redirect vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows attackers to redirect users to an untrusted page that contains malware. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

An open redirect vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows attackers to redirect users to an untrusted page that contains malware. 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 h5.0.0.1949 build 20220215 and later QuTS hero h4.5.4.1951 build 20220218 and later QTS 5.0.0.1986 build 20220324 and later QTS 4.5.4.1991 build 20220329 and later

Metrics

CVSS 3.1
6.1/10

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

EPSS Probability
0.53%

40.8th 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-2021-44054?
An open redirect vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows attackers to redirect users to an untrusted page that contains malware. 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 h5.0.0.1949 build 20220215 and later QuTS hero h4.5.4.1951 build 20220218 and later QTS 5.0.0.1986 build 20220324 and later QTS 4.5.4.1991 build 20220329 and later
How severe is CVE-2021-44054?
CVE-2021-44054 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2021-44054?
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-2021-44054?

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

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Source: NVD / NIST