Is CVE-2024-52805 actively exploited?

No active exploitation of CVE-2024-52805 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2024-52805 be exploited remotely?

Yes. CVE-2024-52805 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2024-52805?

CVE-2024-52805 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2024-52805

HIGH

CVE-2024-52805

CWE-770Published: December 3, 2024· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

Synapse is an open-source Matrix homeserver. In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. Synapse 1.120.1 resolves the issue by denying requests with unsupported multipart/form-data content type.

NVD Source

Technical Analysis

CVE-2024-52805 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.