Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions
Published Mar 28, 2017
4.3
MEDIUMCVSS 3.0
EPSS 2.00%
Description
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files.
Affected products
No data.
- < 9.0.52
- < 9.0.4
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
AV:N/AC:L/Au:S/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.00% (0.02000) | 80.01th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.00% (0.02000) | 78.10th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.19% (0.01186) | 77.34th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00113) | 46.44th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.11% (0.00113) | 45.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00113) | 43.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (9)
- http://www.securityfocus.com/bid/97276 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/nextcloud/server/commit/3491400261c1454a9a30d3ec96969573330120cc x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36e x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://hackerone.com/reports/145950 x_refsource_MISCExploitThird Party Advisory
- https://nextcloud.com/security/advisory/?id=nc-sa-2016-004 x_refsource_MISCPatchVendor Advisory
- https://owncloud.org/security/advisory/?id=oc-sa-2016-014 x_refsource_MISCPatchVendor Advisory
Change history (0)
No recorded changes yet.