{ "Title": "Improper permission preservation on reshares", "Timestamp": 1561593600, "Risk": 2, "CVSS3": { "score": 6.4, "vector": "AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H" }, "CWE": { "id": 281, "name": "Improper Preservation of Permissions" }, "HackerOne": 619484, "Affected":[ { "Version":"16.0.2", "CVE":"CVE-2019-15621", "Operator":"<" }, { "Version":"15.0.9", "CVE":"CVE-2019-15621", "Operator":"<" }, { "Version":"14.0.13", "CVE":"CVE-2019-15621", "Operator":"<" } ], "Description":"Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.", "ActionTaken": "The error has been fixed.", "Acknowledgment":[ { "Name": "Phil Davis", "Mail": "phil@jankaritech.com", "Company": "JankariTech Pvt Ltd", "Website": "https://jankaritech.com", "Reason": "Vulnerability discovery and disclosure." } ], "Resolution": "It is recommended that the Nextcloud Server is upgraded to 16.0.2." }