Is matrix-synapse affected by CVE-2024-37303?

PyPI matrix-synapse is affected in <1.106.

Is CVE-2024-37303 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

medium

CVE-2024-37303

Q: Is CVE-2024-37303 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

PyPI · matrix-synapse

Summary

Synapse's unauthenticated writes to the media repository allow planting of problematic content

Severity: medium
EPSS: 0.4% (p33)
Also known as: GHSA-gjgr-7834-rhxr, PYSEC-2024-287
Published: 2024-12-03

References

Related advisories

CVE-2025-30355 — high · PyPI/matrix-synapse
CVE-2024-53863 — high · PyPI/matrix-synapse
CVE-2024-52815 — high · PyPI/matrix-synapse
CVE-2024-52805 — high · PyPI/matrix-synapse
CVE-2024-37302 — high · PyPI/matrix-synapse
CVE-2026-45078 — medium · PyPI/matrix-synapse
CVE-2026-45076 — medium · PyPI/matrix-synapse
CVE-2025-61672 — medium · PyPI/matrix-synapse

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.