{"action":"Upgrade matrix-synapse to 1.95.1 or later.","affected":[{"fixed":"1.95.1","introduced":"0"}],"component":"matrix-synapse","cve_ids":["CVE-2023-43796"],"ecosystem":"PyPI","epss":0.00897,"exploited":false,"fixed_versions":["1.95.1"],"ghsa_id":"GHSA-mp92-3jfm-3575","id":"tcs_01M5KGK0WB8C4YG6MDA49MQ2CT","modified_at":"2023-11-08T20:56:32.030692Z","published_at":"2023-10-31T17:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2023-230","https://github.com/matrix-org/synapse/security/advisories/GHSA-mp92-3jfm-3575","https://github.com/matrix-org/synapse/commit/daec55e1fe120c564240c5386e77941372bf458f"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"PYSEC-2023-230","url":"https://osv.dev/vulnerability/PYSEC-2023-230"}],"summary":"Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote user"}