HOMEVULNERABILITIESCVE-2017-5865
LOW

CVE-2017-5865

CWE-200Published: March 3, 2017· Updated: Jun 17, 2026

3.7
CVSS v3.1

Official Description

The password reset functionality in ownCloud Server before 8.1.11, 8.2.x before 8.2.9, 9.0.x before 9.0.7, and 9.1.x before 9.1.3 sends different error messages depending on whether the username is valid, which allows remote attackers to enumerate user names via a large number of password reset attempts.

NVD Source

Technical Analysis

CVE-2017-5865 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

owncloud1 product(s)
owncloud
Source: NVD CPE · 18 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

PATCHhttps://owncloud.org/security/advisory/?id=oc-sa-2017-001
PATCHhttps://owncloud.org/security/advisory/?id=oc-sa-2017-001
ADVISORYhttp://www.securityfocus.com/bid/96425
ADVISORYhttp://www.securityfocus.com/bid/96425

All References (4)

→
http://www.securityfocus.com/bid/96425Third Party Advisory · VDB Entry
→
https://owncloud.org/security/advisory/?id=oc-sa-2017-001Patch · Vendor Advisory
→
http://www.securityfocus.com/bid/96425Third Party Advisory · VDB Entry
→
https://owncloud.org/security/advisory/?id=oc-sa-2017-001Patch · Vendor Advisory

Quick Facts

CVE IDCVE-2017-5865
CVSS Score3.7 / 10
SeverityLOW
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedMar 3, 2017

Related CVEs (CWE-200)

CVE-2011-0376
10.0
CVE-2020-13702
10.0
CVE-2017-2320
10.0
CVE-2025-29270
10.0
CVE-2025-61481
10.0
CVE-2011-1643
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-5865 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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