Access Control Flaw in ownCloud by ownCloud GmbH
CVE-2021-29659

6.5MEDIUM

Key Information:

Vendor

Owncloud

Status
Owncloud
Vendor
CVE Published:
20 May 2021

What is CVE-2021-29659?

In ownCloud version 10.7, a vulnerability has been identified that allows incorrect access control, which could lead to remote information disclosure. An attacker can exploit this flaw through a specific bug in the API endpoint, enabling them to enumerate all users with a single request by simply entering three whitespaces. This method not only exposes user data but may also result in excessive load on larger instances, impacting overall system performance.

References

https://doc.owncloud.com/server/admin_manual/release_note...
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https://owncloud.com/security-advisories/cve-2021-29659/
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CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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