Vulnerability Details : 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.
Vulnerability category: Information leak
Products affected by CVE-2021-29659
- cpe:2.3:a:owncloud:owncloud:10.7.0:-:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-29659
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-29659
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
References for CVE-2021-29659
-
https://doc.owncloud.com/server/admin_manual/release_notes.html
Release Notes :: ownCloud DocumentationRelease Notes;Vendor Advisory
-
https://owncloud.com/security-advisories/cve-2021-29659/
Authenticated account enumeration in sharing dialog - ownCloudVendor Advisory
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