What is CVE-2021-22912?

CVE-2021-22912 is a medium-severity vulnerability in Nextcloud, classified under Information Disclosure. CVSS score: 6.5/10. Published 2021-06-11.

How severe is CVE-2021-22912?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in Nextcloud

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 class: Information Disclosure

EPSS: 0.014 (69.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Nextcloud
N/a Nextcloud Ios App (It.twsweb.nextcloud) — versions Fixed in 3.4.2

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

support@hackerone.com (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
support@hackerone.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-22912?: CVE-2021-22912 is a medium-severity vulnerability in Nextcloud, classified under Information Disclosure. CVSS score: 6.5/10. Published 2021-06-11.
How severe is CVE-2021-22912?: Medium severity. CVSS v3 base score is 6.5 out of 10.