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CVE-2019-25337— OwnCloud 8.1.8 - Username Disclosure

Quick assessment

Affected
OwnCloud OwnCloud
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ownCloud是美国ownCloud公司的一套个人云存储解决方案。 ownCloud 8.1.8版本存在安全漏洞，该漏洞源于share.php端点存在用户名枚举，可能导致发现用户账户。

CVSS 9.8 · Critical EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1087.001 · Local Account

Affected Version Matrix 1

VendorProduct Version RangeStatus
OwnCloud OwnCloud 8.1.8 affected
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I. Basic Information for CVE-2019-25337

Vulnerability Information
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Vulnerability Title
OwnCloud 8.1.8 - Username Disclosure
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
ownCloud 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ownCloud是美国ownCloud公司的一套个人云存储解决方案。 ownCloud 8.1.8版本存在安全漏洞，该漏洞源于share.php端点存在用户名枚举，可能导致发现用户账户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
OwnCloud OwnCloud 8.1.8 -

II. Public POCs for CVE-2019-25337

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III. Intelligence Information for CVE-2019-25337

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Vendor Pages for CVE-2019-25337 (1)

IV. Related Vulnerabilities

Same product: OwnCloud
Same vendor: OwnCloud
Same weakness: CWE-203

V. Comments for CVE-2019-25337

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