Vulnerability in Nextcloud Server
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.019 (78.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Nextcloud Server
- ownCloud
- Nextcloud Server & ownCloud Before 9.0.52 9.0.4 — versions Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4
Weakness classification (CWE)
References
- github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e (Patch, Third Party Advisory, Issue Tracking)
- github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e (Patch, Third Party Advisory, Issue Tracking)
- owncloud.org/security/advisory/ (Patch, Vendor Advisory)
- github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13 (Patch, Third Party Advisory, Issue Tracking)
- github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1 (Patch, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/97285 (VDB Entry, Third Party Advisory, vdb-entry)
- hackerone.com/reports/146067 (Exploit, Third Party Advisory)
- github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c (Patch, Third Party Advisory, Issue Tracking)
- nextcloud.com/security/advisory/ (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-9462?
- CVE-2016-9462 is a medium-severity vulnerability in Nextcloud Server, classified under Permission Issues. CVSS score: 4.3/10. Published 2017-03-28.
- How severe is CVE-2016-9462?
- Medium severity. CVSS v3 base score is 4.3 out of 10.