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VULNERABILITIES

CVE-2017-0883 Details

Description

Nextcloud Server before 9.0.55 and 10.0.2 suffers from a permission increase on re-sharing via OCS API issue. A permission related issue within the OCS sharing API allowed an authenticated adversary to reshare shared files with an increasing permission set. This may allow an attacker to edit files in a share despite having only a 'read' permission set. Note that this only affects folders and files that the adversary has at least read-only permissions for.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.4 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://hackerone.com/reports/169680 CVEThird Party Advisory
https://nextcloud.com/security/advisory/?id=nc-sa-2017-001 CVEPatchVendor Advisory
https://hackerone.com/reports/169680 [email protected]Third Party Advisory
https://nextcloud.com/security/advisory/?id=nc-sa-2017-001 [email protected]PatchVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-732Incorrect Permission Assignment for Critical Resource[email protected]
CWE-275Permission Issues[email protected]

Affected Products

ProductVersions
nextcloud nextcloud server
<= 9.0.54
10.0.2

CPE

  • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
  • cpe:2.3:a:nextcloud:nextcloud_server:10.0.2:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2017-0883
NVD Published Date:
Apr 5, 2017
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2017-0883 Details - Not Deferred