Vulnerability Details : CVE-2021-22912
Nextcloud iOS before 3.4.2 suffers from an information disclosure vulnerability when searches for sharees utilize the lookup server by default instead of only on the local Nextcloud server unless a global search has been explicitly chosen by the user.
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2021-22912
Probability of exploitation activity in the next 30 days: 0.16%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 51 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-22912
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-22912
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by:
- nvd@nist.gov (Primary)
- support@hackerone.com (Secondary)
References for CVE-2021-22912
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m7w4-cvjr-76mh
Default Nextcloud Server and iOS Client leak sharee searches to Nextcloud · Advisory · nextcloud/security-advisories · GitHubThird Party Advisory
-
https://hackerone.com/reports/1167919
#1167919 Default Nextcloud server config and iOS Nextcloud client leak sharee searches to NextcloudExploit;Issue Tracking;Third Party Advisory
Products affected by CVE-2021-22912
- cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:iphone_os:*:*