CVE-2016-9462: nextcloud nextcloud_server Permission Issues
Vulnerability summary
CVE-2016-9462 is a medium (CVSS 4.3) Permission Issues vulnerability in nextcloud nextcloud_server. EPSS estimates a 1.87% chance of exploitation in the next 30 days, higher than 79% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 28-03-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.87%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.87% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Nextcloud1 product
- nextcloud_server< 9.0.52
Owncloud1 product
- owncloud< 9.0.4
2 vendors · 2 products
References
9 links- github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5eX Refsource MISCIssue TrackingPatchThird Party Advisory
- github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6eX Refsource MISCIssue TrackingPatchThird Party Advisory
- github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13X Refsource MISCIssue TrackingPatchThird Party Advisory
- github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1X Refsource MISCIssue TrackingPatchThird Party Advisory
- github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4cX Refsource MISCIssue TrackingPatchThird Party Advisory