What’s Vulnerable › Vulnerabilities

CVE-2021-29659

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-20 · updated 2026-06-17

Description

ownCloud 10.7 has an incorrect access control vulnerability, leading to remote information disclosure. Due to a bug in the related API endpoint, the attacker can enumerate all users in a single request by entering three whitespaces. Secondary, the retrieval of all users on a large instance could cause higher than average load on the instance.

Affected products

• ownCloud: 10.7.0

References

• https://doc.owncloud.com/server/admin_manual/release_notes.html
• https://owncloud.com/security-advisories/cve-2021-29659/
• https://doc.owncloud.com/server/admin_manual/release_notes.html
• https://owncloud.com/security-advisories/cve-2021-29659/

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