CVE-2021-44052 (GCVE-0-2021-44052)
Vulnerability from cvelistv5 – Published: 2022-05-05 16:50 – Updated: 2024-09-16 22:56
VLAI?
Title
Arbitrary file read
Summary
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
Severity ?
6.5 (Medium)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| QNAP Systems Inc. | QuTScloud |
Affected:
unspecified , < c5.0.1.1998
(custom)
|
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|
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Date Public ?
2022-05-06 00:00
Credits
Enio Pena Navarro and Michael Messner from Siemens Energy AG
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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\"},{\"lang\":\"es\",\"value\":\"Se ha informado de una vulnerabilidad de resoluci\u00f3n 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. 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posteriores\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@qnapsecurity.com.tw\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:P/A:N\",\"baseScore\":5.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@qnapsecurity.com.tw\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-59\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-59\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:qnap:qts:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.0.0.1716\",\"versionEndExcluding\":\"5.0.0.1986\",\"matchCriteriaId\":\"0014CC59-E631-4F43-8217-F10C2EB3AEAD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.3.3.0174\",\"versionEndExcluding\":\"4.3.3.1945\",\"matchCriteriaId\":\"9E5D1B6F-854F-4D93-B78C-5BAEC46EE64B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.3.4.0899\",\"versionEndExcluding\":\"4.3.4.1976\",\"matchCriteriaId\":\"C2AFDF21-2B1F-49BE-9120-FA2A574B565A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.3.6.0895\",\"versionEndExcluding\":\"4.3.6.1965\",\"matchCriteriaId\":\"41D108D1-72B7-4503-8438-64C486E85256\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.4.0.0883\",\"versionEndExcluding\":\"4.5.4.1991\",\"matchCriteriaId\":\"ACBE4C2B-CA91-43F4-9BCC-9C8FA83306C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20170517:*:*:*:*:*:*\",\"matchCriteriaId\":\"8F523E9F-D101-4C29-A624-74E1F3F8CB7D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20190322:*:*:*:*:*:*\",\"matchCriteriaId\":\"1388DBE0-F6BB-44AB-81AC-BFB4E70BE820\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20190730:*:*:*:*:*:*\",\"matchCriteriaId\":\"CF3C4461-C1B6-43A1-BA5E-D6658EFD06EE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20190921:*:*:*:*:*:*\",\"matchCriteriaId\":\"A1F11848-6FED-4D58-A177-36D280C0347C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20191107:*:*:*:*:*:*\",\"matchCriteriaId\":\"F6259C86-FFDA-40E8-AF0C-33CC8C108DC9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20200109:*:*:*:*:*:*\",\"matchCriteriaId\":\"9E01E157-BDF1-4B00-BA9B-6887C0C7DFF2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20200421:*:*:*:*:*:*\",\"matchCriteriaId\":\"1D1E5368-9587-4E0A-BB65-D88069CA8490\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20200611:*:*:*:*:*:*\",\"matchCriteriaId\":\"B63CE419-871C-4866-8AB1-4BB6461E1D74\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20200821:*:*:*:*:*:*\",\"matchCriteriaId\":\"886A71D1-9615-47A5-B3C2-CBC6F02961A4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20210327:*:*:*:*:*:*\",\"matchCriteriaId\":\"9B7A506C-1F53-4CEC-9828-9327352DE153\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qts:4.2.6:build_20211215:*:*:*:*:*:*\",\"matchCriteriaId\":\"060D81A5-599A-4329-99C8-D69725C65AF3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"h4.5.4.1771\",\"matchCriteriaId\":\"2B57DE98-C9C6-4C4D-B790-293D6D0CE646\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"h5.0.0.1772\",\"versionEndExcluding\":\"h5.0.0.1986\",\"matchCriteriaId\":\"306566D1-559C-426B-B208-37C2C248239C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"c5.0.1.1998\",\"matchCriteriaId\":\"F983E154-D65D-4037-B43E-94C6DB86F24E\"}]}]}],\"references\":[{\"url\":\"https://www.qnap.com/en/security-advisory/qsa-22-16\",\"source\":\"security@qnapsecurity.com.tw\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.qnap.com/en/security-advisory/qsa-22-16\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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