CVE-2021-44053: Reflected XSS
First published: Thu May 05 2022(Updated: )
A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running QTS, QuTS hero and QuTScloud. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QTS, QuTS hero and QuTScloud: QTS 4.5.4.1991 build 20220329 and later QTS 5.0.0.1986 build 20220324 and later QuTS hero h5.0.0.1986 build 20220324 and later QuTS hero h4.5.4.1971 build 20220310 and later QuTScloud c5.0.1.1949 and later
Credit: security@qnapsecurity.com.tw security@qnapsecurity.com.tw
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QNAP QTS | >=5.0.0.1716<5.0.0.1986 | |
| QNAP QTS | >=4.3.3.0174<4.3.3.1945 | |
| QNAP QTS | >=4.3.4.0899<4.3.4.1976 | |
| QNAP QTS | >=4.3.6.0895<4.3.6.1965 | |
| QNAP QTS | >=4.4.0.0883<4.5.4.1991 | |
| QNAP QTS | =4.2.6-build_20170517 | |
| QNAP QTS | =4.2.6-build_20190322 | |
| QNAP QTS | =4.2.6-build_20190730 | |
| QNAP QTS | =4.2.6-build_20190921 | |
| QNAP QTS | =4.2.6-build_20191107 | |
| QNAP QTS | =4.2.6-build_20200109 | |
| QNAP QTS | =4.2.6-build_20200421 | |
| QNAP QTS | =4.2.6-build_20200611 | |
| QNAP QTS | =4.2.6-build_20200821 | |
| QNAP QTS | =4.2.6-build_20210327 | |
| QNAP QTS | =4.2.6-build_20211215 | |
| QNAP QuTS hero | <h4.5.4.1771 | |
| QNAP QuTS hero | >=h5.0.0.1772<h5.0.0.1986 | |
| QNAP QuTScloud | <c5.0.1.1998 | |
| QNAP QTS | >=4.3.3.0174<4.3.3.1945 | |
| QNAP QTS | >=4.3.4.0899<4.3.4.1976 | |
| QNAP QTS | >=4.3.6.0895<4.3.6.1965 | |
| QNAP QTS | >=4.4.0.0883<4.5.4.1991 | |
| QNAP QTS | =4.2.6-build_20170517 | |
| QNAP QTS | =4.2.6-build_20190322 | |
| QNAP QTS | =4.2.6-build_20190730 | |
| QNAP QTS | =4.2.6-build_20190921 | |
| QNAP QTS | =4.2.6-build_20191107 | |
| QNAP QTS | =4.2.6-build_20200109 | |
| QNAP QTS | =4.2.6-build_20200421 | |
| QNAP QTS | =4.2.6-build_20200611 | |
| QNAP QTS | =4.2.6-build_20200821 | |
| QNAP QTS | =4.2.6-build_20210327 | |
| QNAP QTS | =4.2.6-build_20211215 |
Remedy
We have already fixed this vulnerability in the following versions of QTS, QuTS hero and QuTScloud: QTS 4.5.4.1991 build 20220329 and later QTS 5.0.0.1986 build 20220324 and later QuTS hero h5.0.0.1986 build 20220324 and later QuTS hero h4.5.4.1971 build 20220310 and later QuTScloud c5.0.1.1949 and later
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Reference Links
Frequently Asked Questions
What is CVE-2021-44053?
CVE-2021-44053 is a cross-site scripting (XSS) vulnerability that affects QNAP devices running QTS, QuTS hero, and QuTScloud.
How does CVE-2021-44053 affect QNAP devices?
CVE-2021-44053 allows remote attackers to inject malicious code into QNAP devices.
Which QNAP devices are affected by CVE-2021-44053?
QNAP devices running QTS, QuTS hero, and QuTScloud are affected by CVE-2021-44053.
What is the severity of CVE-2021-44053?
CVE-2021-44053 has a severity level of 6.1 (medium).
How can I fix CVE-2021-44053?
To fix CVE-2021-44053, you need to update your QTS, QuTS hero, or QuTScloud to the fixed versions provided by QNAP.
- agent/author
- agent/type
- agent/first-publish-date
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/weakness
- agent/references
- agent/softwarecombine
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/last-modified-date
- agent/remedy
- agent/severity
- agent/tags
- agent/event
- vendor/qnap
- canonical/qnap qts
- version/qnap qts/5.0.0.1716
- version/qnap qts/4.3.3.0174
- version/qnap qts/4.3.4.0899
- version/qnap qts/4.3.6.0895
- version/qnap qts/4.4.0.0883
- version/qnap qts/4.2.6-build_20170517
- version/qnap qts/4.2.6-build_20190322
- version/qnap qts/4.2.6-build_20190730
- version/qnap qts/4.2.6-build_20190921
- version/qnap qts/4.2.6-build_20191107
- version/qnap qts/4.2.6-build_20200109
- version/qnap qts/4.2.6-build_20200421
- version/qnap qts/4.2.6-build_20200611
- version/qnap qts/4.2.6-build_20200821
- version/qnap qts/4.2.6-build_20210327
- version/qnap qts/4.2.6-build_20211215
- canonical/qnap quts hero
- version/qnap quts hero/h5.0.0.1772
- canonical/qnap qutscloud