CVE-2021-32653

Default settings leak federated cloud ID to lookup server of all users

State: Published
Severity: 2.7 Low
Published: Jun 1, 2021
Updated: Aug 3, 2024
Reserved: May 12, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	2.7 Low	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N	GitHub_M

Weaknesses

CWE-201 Insertion of Sensitive Information Into Sent Data

Affected Products

Product	Versions
security-advisoriesnextcloud	< 19.0.11Affected >= 20.0.0, < 20.0.10Affected >= 21.0.0, < 21.0.2Affected

References

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