CVE-2020-8223 (GCVE-0-2020-8223)
Vulnerability from cvelistv5
Published
2020-10-05 13:16
Modified
2024-08-04 09:56
Severity ?
EPSS score ?
Summary
A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.
References
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
n/a | Nextcloud Server |
Version: Fixed in 19.0.1 |
{ containers: { adp: [ { providerMetadata: { dateUpdated: "2024-08-04T09:56:27.895Z", orgId: "af854a3a-2127-422b-91ae-364da2661108", shortName: "CVE", }, references: [ { tags: [ "x_refsource_MISC", "x_transferred", ], url: "https://hackerone.com/reports/889243", }, { tags: [ "x_refsource_MISC", "x_transferred", ], url: "https://nextcloud.com/security/advisory/?id=NC-SA-2020-029", }, { name: "FEDORA-2020-c9863904de", tags: [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/", }, { name: "FEDORA-2020-050aaa14f7", tags: [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/", }, ], title: "CVE Program Container", }, ], cna: { affected: [ { product: "Nextcloud Server", vendor: "n/a", versions: [ { status: "affected", version: "Fixed in 19.0.1", }, ], }, ], descriptions: [ { lang: "en", value: "A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.", }, ], problemTypes: [ { descriptions: [ { cweId: "CWE-269", description: "Improper Privilege Management (CWE-269)", lang: "en", type: "CWE", }, ], }, ], providerMetadata: { dateUpdated: "2020-10-24T00:06:12", orgId: "36234546-b8fa-4601-9d6f-f4e334aa8ea1", shortName: "hackerone", }, references: [ { tags: [ "x_refsource_MISC", ], url: "https://hackerone.com/reports/889243", }, { tags: [ "x_refsource_MISC", ], url: "https://nextcloud.com/security/advisory/?id=NC-SA-2020-029", }, { name: "FEDORA-2020-c9863904de", tags: [ "vendor-advisory", "x_refsource_FEDORA", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/", }, { name: "FEDORA-2020-050aaa14f7", tags: [ "vendor-advisory", "x_refsource_FEDORA", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/", }, ], x_legacyV4Record: { CVE_data_meta: { ASSIGNER: "support@hackerone.com", ID: "CVE-2020-8223", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "Nextcloud Server", version: { version_data: [ { version_value: "Fixed in 19.0.1", }, ], }, }, ], }, vendor_name: "n/a", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "Improper Privilege Management (CWE-269)", }, ], }, ], }, references: { reference_data: [ { name: "https://hackerone.com/reports/889243", refsource: "MISC", url: "https://hackerone.com/reports/889243", }, { name: "https://nextcloud.com/security/advisory/?id=NC-SA-2020-029", refsource: "MISC", url: "https://nextcloud.com/security/advisory/?id=NC-SA-2020-029", }, { name: "FEDORA-2020-c9863904de", refsource: "FEDORA", url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/", }, { name: "FEDORA-2020-050aaa14f7", refsource: "FEDORA", url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/", }, ], }, }, }, }, cveMetadata: { assignerOrgId: "36234546-b8fa-4601-9d6f-f4e334aa8ea1", assignerShortName: "hackerone", cveId: "CVE-2020-8223", datePublished: "2020-10-05T13:16:48", dateReserved: "2020-01-28T00:00:00", dateUpdated: "2024-08-04T09:56:27.895Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { fkie_nvd: { configurations: "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:nextcloud:nextcloud_server:19.0.0:-:*:*:*:*:*:*\", \"matchCriteriaId\": \"C685E40C-DD8D-4EDE-B147-E35B2C7C2B94\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"36D96259-24BD-44E2-96D9-78CE1D41F956\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E460AA51-FCDA-46B9-AE97-E6676AA5E194\"}]}]}]", descriptions: "[{\"lang\": \"en\", \"value\": \"A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.\"}, {\"lang\": \"es\", \"value\": \"Un error l\\u00f3gico en Nextcloud Server versi\\u00f3n 19.0.0, caus\\u00f3 una escalada de privilegios permitiendo a usuarios maliciosos volver a compartir con permisos m\\u00e1s elevados de los que se les asignaron\"}]", id: "CVE-2020-8223", lastModified: "2024-11-21T05:38:32.147", metrics: "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:S/C:N/I:P/A:N\", \"baseScore\": 3.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"LOW\", \"exploitabilityScore\": 6.8, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}", published: "2020-10-05T14:15:13.623", references: "[{\"url\": \"https://hackerone.com/reports/889243\", \"source\": \"support@hackerone.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/\", \"source\": \"support@hackerone.com\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/\", \"source\": \"support@hackerone.com\"}, {\"url\": \"https://nextcloud.com/security/advisory/?id=NC-SA-2020-029\", \"source\": \"support@hackerone.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://hackerone.com/reports/889243\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://nextcloud.com/security/advisory/?id=NC-SA-2020-029\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]", sourceIdentifier: "support@hackerone.com", vulnStatus: "Modified", weaknesses: "[{\"source\": \"support@hackerone.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-269\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-269\"}]}]", }, nvd: "{\"cve\":{\"id\":\"CVE-2020-8223\",\"sourceIdentifier\":\"support@hackerone.com\",\"published\":\"2020-10-05T14:15:13.623\",\"lastModified\":\"2024-11-21T05:38:32.147\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.\"},{\"lang\":\"es\",\"value\":\"Un error lógico en Nextcloud Server versión 19.0.0, causó una escalada de privilegios permitiendo a usuarios maliciosos volver a compartir con permisos más elevados de los que se les asignaron\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:S/C:N/I:P/A:N\",\"baseScore\":3.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":6.8,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"support@hackerone.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:19.0.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"C685E40C-DD8D-4EDE-B147-E35B2C7C2B94\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"36D96259-24BD-44E2-96D9-78CE1D41F956\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E460AA51-FCDA-46B9-AE97-E6676AA5E194\"}]}]}],\"references\":[{\"url\":\"https://hackerone.com/reports/889243\",\"source\":\"support@hackerone.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/\",\"source\":\"support@hackerone.com\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/\",\"source\":\"support@hackerone.com\"},{\"url\":\"https://nextcloud.com/security/advisory/?id=NC-SA-2020-029\",\"source\":\"support@hackerone.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://hackerone.com/reports/889243\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://nextcloud.com/security/advisory/?id=NC-SA-2020-029\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}", }, }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.