{"action":"Upgrade matrix-synapse to 1.33.2 or later.","affected":[{"fixed":"1.33.2","introduced":"0"}],"component":"matrix-synapse","cve_ids":["CVE-2021-29471"],"ecosystem":"PyPI","epss":0.01647,"exploited":false,"fixed_versions":["1.33.2"],"ghsa_id":"GHSA-x345-32rc-8h85","id":"tcs_01M5KGB7C8KYQQT0J06CSMYVC5","modified_at":"2023-11-08T04:05:34.987105Z","published_at":"2021-05-11T15:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2021-135","https://github.com/matrix-org/synapse/releases/tag/v1.33.2","https://github.com/matrix-org/synapse/security/advisories/GHSA-x345-32rc-8h85","https://github.com/matrix-org/synapse/commit/03318a766cac9f8b053db2214d9c332a977d226c"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2021-135","url":"https://osv.dev/vulnerability/PYSEC-2021-135"}],"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 1.33.2 \"Push r"}