Home/CVE/Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share.
CVE

CVE-2017-0885

Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share.

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.

MEDIUM · CVSS 4.3 EPSS 0.00211
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-209Generation of Error Message Containing Sensitive Information
▤

Affected Products & Versions

2
nextcloud server< 9.0.55
nextcloud server>= 10.0.0 and < 10.0.2
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Apr 2017 · 08:59 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://hackerone.com/reports/174524Third Party Advisory
https://nextcloud.com/security/advisory/?id=nc-sa-2017-003Broken LinkPatchVendor Advisory
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