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CVSS: 8.1EPSS: 0%CPEs: 19EXPL: 0

CVE-2021-44052 – Arbitrary file read

https://notcve.org/view.php?id=CVE-2021-44052

An improper link resolution before file access ('Link Following') vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero, and QTS. If exploited, this vulnerability allows remote attackers to traverse the file system to unintended locations and read or overwrite the contents of unexpected files. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero, and QTS: QuTScloud c5.0.1.1998 and later QuTS hero h4.5.4.1971 build 20220310 and later QuTS hero h5.0.0.1986 build 20220324 and later QTS 4.3.4.1976 build 20220303 and later QTS 4.3.3.1945 build 20220303 and later QTS 4.2.6 build 20220304 and later QTS 4.3.6.1965 build 20220302 and later QTS 5.0.0.1986 build 20220324 and later QTS 4.5.4.1991 build 20220329 and later Se ha informado de una vulnerabilidad de resolución de enlaces inapropiada antes del acceso a los archivos ("Link Following") que afecta a los dispositivos QNAP que ejecutan QuTScloud, QuTS hero y QTS. Si es explotada, esta vulnerabilidad permite a atacantes remotos saltar el sistema de archivos hasta ubicaciones no deseadas y leer o sobrescribir el contenido de archivos no esperados. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QuTScloud, QuTS hero y QTS: QuTScloud c5.0.1.1998 y posteriores QuTS hero h4.5.4.1971 build 20220310 y posteriores QuTS hero h5.0.0.1986 build 20220324 y posteriores QTS 4.3.4.1976 build 20220303 y posteriores QTS 4.3.3. 1945 build 20220303 y posteriores QTS 4.2.6 build 20220304 y posteriores QTS 4.3.6.1965 build 20220302 y posteriores QTS 5.0.0.1986 build 20220324 y posteriores QTS 4.5.4.1991 build 20220329 y posteriores • https://www.qnap.com/en/security-advisory/qsa-22-16 • CWE-59: Improper Link Resolution Before File Access ('Link Following') •

CVSS: 8.8EPSS: 0%CPEs: 19EXPL: 0

CVE-2021-44051 – Command injection

https://notcve.org/view.php?id=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 Se ha informado de una vulnerabilidad de inyección de comandos que afecta a los NAS de QNAP que ejecutan QuTScloud, QuTS hero y QTS. Si es explotada, esta vulnerabilidad permite a atacantes remotos ejecutar comandos arbitrarios. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QuTScloud, QuTS hero y QTS: QuTScloud c5.0.1.1949 y posteriores QuTS hero h5.0.0.1986 build 20220324 y posteriores QTS 5.0.0.1986 build 20220324 y posteriores • https://www.qnap.com/en/security-advisory/qsa-22-16 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •

CVSS: 6.1EPSS: 0%CPEs: 3EXPL: 0

CVE-2021-38674 – Reflected XSS Vulnerability in TFTP

https://notcve.org/view.php?id=CVE-2021-38674

A cross-site scripting (XSS) vulnerability has been reported to affect 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: QuTS hero h4.5.4.1771 build 20210825 and later QTS 4.5.4.1787 build 20210910 and later QuTScloud c4.5.7.1864 and later Se ha informado de una vulnerabilidad de tipo cross-site scripting (XSS) que afecta a QTS, QuTS hero y QuTScloud. Si es explotado, esta vulnerabilidad permite a atacantes remotos inyectar código malicioso. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QTS, QuTS hero y QuTScloud: QuTS hero h4.5.4.1771 build 20210825 y posteriores QTS 4.5.4.1787 build 20210910 y posteriores QuTScloud c4.5.7.1864 y posteriores • https://www.qnap.com/en/security-advisory/qsa-21-63 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 7.2EPSS: 0%CPEs: 6EXPL: 0

CVE-2021-34343 – Buffer Overflow Vulnerability in QTS, QuTS hero, and QuTScloud

https://notcve.org/view.php?id=CVE-2021-34343

A stack buffer overflow vulnerability has been reported to affect QNAP device running QTS, QuTScloud, QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 and later QTS 5.0.0.1716 build 20210701 and later QuTScloud c4.5.6.1755 and later QuTS hero h4.5.4.1771 build 20210825 and later Se ha reportado de una vulnerabilidad de desbordamiento del búfer de la pila que afecta al dispositivo QNAP que ejecuta QTS, QuTScloud, QuTS hero. Si es explotado, esta vulnerabilidad permite a atacantes ejecutar código arbitrario. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 y posteriores QTS 5.0.0.1716 build 20210701 y posteriores QuTScloud c4.5.6.1755 y posteriores QuTS hero h4.5.4.1771 build 20210825 y posteriores • https://www.qnap.com/en/security-advisory/qsa-21-33 • CWE-787: Out-of-bounds Write •

CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0

CVE-2021-28816 – Stack Buffer Overflow Vulnerabilities in QTS, QuTS hero, and QuTScloud

https://notcve.org/view.php?id=CVE-2021-28816

A stack buffer overflow vulnerability has been reported to affect QNAP device running QTS, QuTScloud, QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 and later QTS 5.0.0.1716 build 20210701 and later QTS 4.3.3.1693 build 20210624 and later QTS 4.3.6.1750 build 20210730 and later QuTScloud c4.5.6.1755 and later QuTS hero h4.5.4.1771 build 20210825 and later Se ha reportado de una vulnerabilidad de desbordamiento del búfer de la pila que afecta al dispositivo QNAP que ejecuta QTS, QuTScloud, QuTS hero. Si es explotado, esta vulnerabilidad permite a atacantes ejecutar código arbitrario. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 y posteriores QTS 5.0.0.1716 build 20210701 y posteriores QTS 4.3.3.1693 build 20210624 y posteriores QTS 4.3.6.1750 build 20210730 y posteriores QuTScloud c4.5.6.1755 y posteriores QuTS hero h4.5.4.1771 build 20210825 y posteriores • https://www.qnap.com/en/security-advisory/qsa-21-33 • CWE-787: Out-of-bounds Write •