CVE-2016-9462

Name: CVE-2016-9462
Creator: NVD / NIST
Published: 2017-03-28T02:59:00.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.87%

Last modified Jun 17, 2026

CVE-2016-9462 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.87% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.87%

76.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud Server	< 9.0.52
Owncloud	Owncloud	< 9.0.4

References

http://www.securityfocus.com/bid/97285Third Party Advisory, VDB Entry
https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5eIssue Tracking, Patch, Third Party Advisory
https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4cIssue Tracking, Patch, Third Party Advisory
https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13Issue Tracking, Patch, Third Party Advisory
https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6eIssue Tracking, Patch, Third Party Advisory
https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1Issue Tracking, Patch, Third Party Advisory
https://hackerone.com/reports/146067Exploit, Third Party Advisory
https://nextcloud.com/security/advisory/?id=nc-sa-2016-005Patch, Vendor Advisory
https://owncloud.org/security/advisory/?id=oc-sa-2016-015Patch, Vendor Advisory
http://www.securityfocus.com/bid/97285Third Party Advisory, VDB Entry
https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5eIssue Tracking, Patch, Third Party Advisory
https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4cIssue Tracking, Patch, Third Party Advisory
https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13Issue Tracking, Patch, Third Party Advisory
https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6eIssue Tracking, Patch, Third Party Advisory
https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1Issue Tracking, Patch, Third Party Advisory
https://hackerone.com/reports/146067Exploit, Third Party Advisory
https://nextcloud.com/security/advisory/?id=nc-sa-2016-005Patch, Vendor Advisory
https://owncloud.org/security/advisory/?id=oc-sa-2016-015Patch, Vendor Advisory

Timeline

Published: Mar 28, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9462?

How severe is CVE-2016-9462?

Severity scoring for CVE-2016-9462 is pending analysis. The EPSS model estimates a 1.87% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9462?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-9462?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST