CVE-2021-22896

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.

CVSS v3.0 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:P/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/nextcloud/mail/pull/4864	Patch Third 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 Notes Third Party Advisory
https://hackerone.com/reports/1129996	Third Party Advisory

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Configurations

Configuration 1 (hide)

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

Information

Published : 2021-06-11 09:15

Updated : 2021-06-21 18:03

NVD link : CVE-2021-22896

Mitre link : CVE-2021-22896

JSON object : View

CWE

CWE-862

Missing Authorization

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Products Affected

nextcloud

nextcloud

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