PT-2021-11986 · Owncloud · Owncloud Server

Published 2021-02-19 · Updated 2025-03-31 · CVE-2020-36252

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

AC:L/AV:A/A:N/C:H/I:N/PR:L/S:C/UI:N

Name of the Vulnerable Software and Affected Versions: ownCloud Server versions 10.x before 10.3.1

Description: The issue allows an attacker, who has one outgoing share from a victim, to access any version of any file by sending a request for a predictable ID number.

Recommendations: For ownCloud Server versions 10.x before 10.3.1, update to version 10.3.1 or later to resolve the issue.

Fix

Use of Insufficiently Random Values

Weakness Enumeration

CWE-330

Related Identifiers

CVE-2020-36252

Affected Products

Owncloud Server

References · 7

• https://osv.dev/vulnerability/CVE-2020-36252 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-36252 · Security Note
• https://owncloud.com/security-advisories/access-to-all-file-versions · Vendor Advisory
• https://t.me/cvenotify/10145 · Telegram Post
• https://t.me/cvenotify/10133 · Telegram Post
• https://t.me/cibsecurity/23849 · Telegram Post
• https://twitter.com/AyushInfo57268/status/1906688809603108951 · Twitter Post