Synapse is an open-source Matrix homeserver. The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. This vulnerability is fixed in 1.120.1.
History

Tue, 03 Dec 2024 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 03 Dec 2024 17:00:00 +0000

Type Values Removed Values Added
Description Synapse is an open-source Matrix homeserver. The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. This vulnerability is fixed in 1.120.1.
Title Synapse Matrix has a partial room state leak via Sliding Sync
Weaknesses CWE-497
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-12-03T19:07:19.919Z

Reserved: 2024-11-22T17:30:02.145Z

Link: CVE-2024-53867

cve-icon Vulnrichment

Updated: 2024-12-03T19:07:15.657Z

cve-icon NVD

Status : Received

Published: 2024-12-03T17:15:12.787

Modified: 2024-12-03T17:15:12.787

Link: CVE-2024-53867

cve-icon Redhat

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