CVEvulnerability
CVE-2021-22896
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-06-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-862
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.
Affected configurations
• nextcloud nextcloud (< 1.9.5)
Related
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness
References
- https://github.com/nextcloud/mail/pull/4864 Patch, Third Party Advisory
- https://github.com/nextcloud/mail/releases/tag/v1.9.5 Release Notes, Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3 Third Party Advisory
- https://hackerone.com/reports/1129996 Third Party Advisory
- https://github.com/nextcloud/mail/pull/4864 Patch, Third Party Advisory
- https://github.com/nextcloud/mail/releases/tag/v1.9.5 Release Notes, Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3 Third Party Advisory
- https://hackerone.com/reports/1129996 Third Party Advisory