CVE-2024-52815

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Synapse is an open-source Matrix homeserver. Synapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious server to send a specially crafted invite that disrupts the invited user's /sync functionality. Synapse 1.120.1 rejects such invalid invites received over federation and restores the ability to sync for affected users.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published
Dec 3, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2024-52815: Medium severity, CVSS 5.3 | Vulnix