{"action":"Upgrade matrix-synapse to 1.25.0 or later.","affected":[{"fixed":"1.25.0","introduced":"0.99.0"}],"component":"matrix-synapse","cve_ids":["CVE-2021-21274"],"ecosystem":"PyPI","epss":0.02164,"exploited":false,"fixed_versions":["1.25.0"],"ghsa_id":"GHSA-2hwx-mjrm-v3g8","id":"tcs_01M5KGB6VN1384VPB2XMQZRCJH","modified_at":"2023-11-08T04:04:39.864718Z","published_at":"2021-02-26T18:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2021-132","https://github.com/matrix-org/synapse/releases/tag/v1.25.0","https://github.com/matrix-org/synapse/commit/ff5c4da1289cb5e097902b3e55b771be342c29d6","https://github.com/matrix-org/synapse/pull/8950","https://github.com/matrix-org/synapse/security/advisories/GHSA-2hwx-mjrm-v3g8"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2021-132","url":"https://osv.dev/vulnerability/PYSEC-2021-132"}],"summary":"Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.25.0, a mali"}