Vulnerability · Published Jun 1, 2021 · Assigned by GitHub_M

CVE-2021-32652Missing permission check on email metadata retrieval

High 8.8

In plain English

A high-severity improper access control in security-advisories from nextcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.1%top 34.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Nextcloud Mail is a mail app for the Nextcloud platform. A missing permission check in Nextcloud Mail before 1.4.3 and 1.8.2 allows another authenticated users to access mail metadata of other users. Versions 1.4.3 and 1.8.2 contain patches for this vulnerability; no workarounds other than the patches are known to exist.

Affected products (as reported)

VendorProductVersions
nextcloud security-advisories < 1.4.3>= 1.5.5, < 1.8.2

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References