CVE-2019-25337

MEDIUM EPSS 32.4%

Published Feb 12, 20264mo ago · Modified Jun 17, 20262w ago

5.3 CVSS 4.0

Medium

Published Feb 12, 2026 4mo ago

Last Modified Jun 17, 2026 2w ago

Description

OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by manipulating the share.php endpoint. Attackers can send crafted GET requests to /index.php/core/ajax/share.php with a wildcard search parameter to retrieve comprehensive user information.

CVSS Details

Base Score

5.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

32.4% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-203

References 4

ftp.icm.edu.pl https://ftp.icm.edu.pl/packages/owncloud/
owncloud.org https://owncloud.org/
exploit-db.com https://www.exploit-db.com/exploits/47745
vulncheck.com https://www.vulncheck.com/advisories/owncloud-username-disclosure

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.