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VULNERABILITIES

CVE-2021-22896 Details

Description

Nextcloud Mail before 1.9.5 suffers from improper access control due to a missing permission check allowing other authenticated users to create mail aliases for other users.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/nextcloud/mail/pull/4864 CVEPatchThird Party Advisory
https://github.com/nextcloud/mail/releases/tag/v1.9.5 CVERelease NotesThird Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3 CVEThird Party Advisory
https://hackerone.com/reports/1129996 CVEThird Party Advisory
https://github.com/nextcloud/mail/pull/4864 [email protected]PatchThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-862Missing Authorization[email protected]
CWE-862Missing Authorization[email protected]

Affected Products

ProductVersions
nextcloud nextcloud
< 1.9.5

CPE

  • cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-22896
NVD Published Date:
Jun 11, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-22896 Details - Not Deferred