CVE-2021-32652

4.3 mediumEPSS 1.1%

Medium (4.3) in nextcloud mail. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWEs: CWE-862, CWE-284
Published: 2021-06-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nextcloud:mail

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mxx2-6rg9-v2vc
https://hackerone.com/reports/1094063
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mxx2-6rg9-v2vc
https://hackerone.com/reports/1094063

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