Vulnerability in ownCloud Server
CVE-2021-29659
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- ownCloud Server — versions 10.7.0
References
- doc.owncloud.com/server/admin_manual/release_notes.html (Release Notes, Vendor Advisory)
- owncloud.com/security-advisories/cve-2021-29659/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-29659?
- CVE-2021-29659 is a medium-severity vulnerability in ownCloud Server. CVSS score: 6.5/10. Published 2021-05-20.
- How severe is CVE-2021-29659?
- Medium severity. CVSS v3 base score is 6.5 out of 10.