CVE-2024-53867

Published: Dec 3, 2024

Modified: Dec 3, 2024

PUBLISHED

CVSS v3.1

4.3

MEDIUM

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.

Vendor	Product	Versions
element-hq	synapse	affected `>= 1.113.0rc1, < 1.120.1`

Weaknesses (CWE)

CWE-497

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h

x_refsource_CONFIRM

https://github.com/matrix-org/matrix-spec-proposals/pull/4186

x_refsource_MISC

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CVE-2024-53867

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References