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CVE-2016-9462
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The…
Medium4.3EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- hackerone
Description
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium4.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.9% · top 21% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4
- affected Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4
References (9)
- https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e (opens in a new tab)x_refsource_MISCx_transferred
- https://owncloud.org/security/advisory/?id=oc-sa-2016-015 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1 (opens in a new tab)x_refsource_MISCx_transferred
- 97285 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://hackerone.com/reports/146067 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c (opens in a new tab)x_refsource_MISCx_transferred
- https://nextcloud.com/security/advisory/?id=nc-sa-2016-005 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .