CVE-2021-22896

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.

Related CPE's

a nextcloud nextcloud ********

References

https://github.com/nextcloud/mail/pull/4864

PatchThird Party Advisory

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3

Third Party Advisory

https://github.com/nextcloud/mail/releases/tag/v1.9.5

Release NotesThird Party Advisory

https://hackerone.com/reports/1129996

Third Party Advisory

CvssV3 impact

BaseSeverity	MEDIUM
ConfidentialityImpact	NONE
AttackComplexity	LOW
Scope	UNCHANGED
AttackVector	NETWORK
AvailabilityImpact	NONE
IntegrityImpact	LOW
PrivilegesRequired	LOW
BaseScore	4.3
VectorString	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Version	3.1
UserInteraction	NONE

CvssV2 impact

AccessComplexity	LOW
ConfidentialityImpact	NONE
AvailabilityImpact	NONE
IntegrityImpact	PARTIAL
BaseScore	4
VectorString	AV:N/AC:L/Au:S/C:N/I:P/A:N
Version	2.0
AccessVector	NETWORK
Authentication	SINGLE

Created by Yello

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