Medium severity5.3NVD Advisory· Published Dec 3, 2024· Updated Jun 17, 2026

CVE-2024-52815

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
matrix-synapsePyPI	< 1.120.1	1.120.1

Affected products

ghsa-coords2 versions
pkg:pypi/matrix-synapse pkg:rpm/opensuse/matrix-synapse&distro=openSUSE%20Tumbleweed
< 1.120.1+ 1 more
- (no CPE)range: < 1.120.1
- (no CPE)range: < 1.120.2-1.1
Matrix Org/Synapse
cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:*
Range: <1.120.1
Element Hq/Synapsecpe-rescue
Range: < 1.120.1

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-f3r3-h2mq-hx2hghsaADVISORY
github.com/element-hq/synapse/security/advisories/GHSA-f3r3-h2mq-hx2hnvdVendor AdvisoryWEB
nvd.nist.gov/vuln/detail/CVE-2024-52815ghsaADVISORY

News mentions

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