CVE-2021-22912

moderate-risk
Published 2021-06-11

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.

Do I need to act?

-
0.65% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Nextcloud

References (4)

Third Party Advisory https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m7w4-c...
Exploit https://hackerone.com/reports/1167919
Third Party Advisory https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m7w4-c...
Exploit https://hackerone.com/reports/1167919
31
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal