CVE-2021-32653

Nextcloud Server is a Nextcloud package that handles data storage. Nextcloud Server versions prior to 19.0.11, 20.0.10, or 21.0.2 send user IDs to the lookup server even if the user has no fields set to published. The vulnerability is patched in versions 19.0.11, 20.0.10, and 21.0.2; no workarounds outside the updates are known to exist.

CVSS v3.0 2.7 LOW
CVSS v2.0 4.0 MEDIUM

2.7^/10

CVSS v3.0 : LOW

Vector :

Exploitability : 1.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://hackerone.com/reports/1173436	Permissions Required Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-396j-vqpr-qg45	Third Party Advisory
https://security.gentoo.org/glsa/202208-17	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:nextcloud_server::::::::
	cpe:2.3:a:nextcloud:nextcloud_server::::::::
	cpe:2.3:a:nextcloud:nextcloud_server::::::::

Information

Published : 2021-06-01 13:15

Updated : 2022-10-26 07:09

NVD link : CVE-2021-32653

Mitre link : CVE-2021-32653

JSON object : View

CWE

CWE-201

Insertion of Sensitive Information Into Sent Data

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Products Affected

nextcloud

nextcloud_server

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