Medium
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-0885
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:51 UTC · Revision 1
Source evidence
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.
osv:CVE-2017-0885
Complete source record
{
"id": "9ba667cd8be8a343841e32bd1759ad13a878512e4ca5950a711f6d4a8bf845c1",
"url": "https://osv.dev/vulnerability/CVE-2017-0885",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-0885",
"summary": "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.",
"evidence": "osv:CVE-2017-0885",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-0885",
"aliases": [
"CVE-2017-0885"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/nextcloud/server",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "90411cdb01df67d09c5ab01ad9a16ebeffdd428a"
},
{
"introduced": "43ce8b13c1422ed82f42886b5918159f05b36967"
},
{
"fixed": "6849d7235ef1acd2293382cc170a82c55c6bb3ba"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "9.0.55"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "10.0.0"
},
{
"fixed": "10.0.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v9.0.54",
"v10.0.1",
"v9.0.54RC1",
"v10.0.1RC1",
"v10.0.0",
"v9.0.52",
"v9.0.52RC1",
"v9.0.51",
"v9.0.50",
"v9.0.2",
"v9.0.2RC2",
"v9.0.2RC1",
"v9.0.1RC2",
"v9.0.1",
"v9.0.1RC1",
"v9.0.1beta",
"v9.0.0",
"v9.0.0RC3",
"v9.0.0RC2",
"v9.0.0RC1",
"v9.0.0beta2",
"v9.0beta1",
"v8.2RC1",
"v8.2beta1",
"v8.1RC2",
"v8.1.0beta2",
"v8.1.0beta1",
"v8.1.0alpha2",
"v8.1.0alpha1",
"v8.0.0",
"v8.0.0RC2",
"v8.0.0RC1",
"v8.0.0beta2",
"v8.0.0beta1",
"v8.0.0alpha2",
"v8.0.0alpha1",
"v7.0.0beta1",
"v7.0.0alpha2",
"v6.0.0RC2",
"v6.0.0RC1",
"v6.0.0beta5",
"v6.0.0beta4",
"v6.0.0beta3",
"v6.0.0beta2",
"v6.0.0alpha2",
"v5.0.0",
"v5.0.0RC3",
"v5.0.0RC2",
"v5.0.0RC1",
"v5.0.0beta2",
"v5.0.0beta1",
"v5.0.0alpha1",
"v4.5.0",
"v4.5.0RC3",
"v4.5.0RC2",
"v4.5.0RC1",
"v4.5.0beta4",
"v4.5.0beta3",
"v4.0.6",
"v4.0.5",
"v4.0.4",
"v4.0.1",
"v4.0.0",
"v4.0.0RC2",
"v4.0.0RC",
"v4.0.0beta",
"v3.0",
"v1.0.0beta1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-0885.json"
}
}
],
"modified": "2026-10-24T10:30:59.434120767Z",
"provider": "osv",
"references": [
"https://hackerone.com/reports/174524",
"https://nextcloud.com/security/advisory/?id=nc-sa-2017-003"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-0885",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 439310,
"published_at": "2017-04-05T20:59:00.273+00:00"
}