Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the `jwt_config.enabled` configuration setting. 2. The local password database is enabled via the `password_config.enabled` and `password_config.localdb_enabled` configuration settings *and* a user's password is updated via an admin API after a user is deactivated. Note that the local password database is enabled by default, but it is uncommon to set a user's password after they've been deactivated. Installations that are configured to only allow login via Single Sign-On (SSO) via CAS, SAML or OpenID Connect (OIDC); or via an external password provider (e.g. LDAP) are not affected. If not using JSON Web Tokens, ensure that deactivated users do not have a password set. This issue has been addressed in version 1.85.0. Users are advised to upgrade.
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Tue, 07 Jan 2025 17:15:00 +0000
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2023-06-06T18:20:14.377Z
Updated: 2025-02-13T16:54:57.207Z
Reserved: 2023-05-11T16:33:45.731Z
Link: CVE-2023-32682

Updated: 2024-08-02T15:25:36.434Z

Status : Modified
Published: 2023-06-06T19:15:11.743
Modified: 2024-11-21T08:03:50.513
Link: CVE-2023-32682

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