CVE-2024-37303 — Missing Authentication for Critical Function in Synapse
Severity
5.3MEDIUMNVD
EPSS
0.5%
top 34.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 3
Description
Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository. Synapse 1.106 in…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4
Affected Packages2 packages
Patches
🔴Vulnerability Details
4OSV▶
Synapse's unauthenticated writes to the media repository allow planting of problematic content↗2024-12-03
CVEList▶
Synapse unauthenticated writes to the media repository allow planting of problematic content↗2024-12-03
GHSA▶
Synapse's unauthenticated writes to the media repository allow planting of problematic content↗2024-12-03
📋Vendor Advisories
1Debian▶
CVE-2024-37303: matrix-synapse - Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows...↗2024