Description
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share. Due to an error in the application logic an adversary with access to a write-only share may enumerate the names of existing files and subfolders by comparing the exception messages.
References (2)
Core 2
Core References
Broken Link, Patch, Vendor Advisory x_refsource_confirm
https://nextcloud.com/security/advisory/?id=nc-sa-2017-003
Third Party Advisory x_refsource_misc
https://hackerone.com/reports/174524
Scores
CVSS v3
4.3
EPSS
0.0021
EPSS Percentile
43.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-200
CWE-209
Status
published
Products (2)
Nextcloud/Nextcloud Server
All versions before 9.0.55 and 10.0.2
nextcloud/nextcloud_server
< 9.0.55
Published
Apr 05, 2017
Tracked Since
Feb 18, 2026