{"action":"Upgrade matrix-synapse to 1.27.0 or later.","affected":[{"fixed":"1.27.0","introduced":"0"}],"component":"matrix-synapse","cve_ids":["CVE-2021-21332"],"ecosystem":"PyPI","epss":0.01221,"exploited":false,"fixed_versions":["1.27.0"],"ghsa_id":"GHSA-246w-56m2-5899","id":"tcs_01M5KGB708ZV3M83YTEME83QCQ","modified_at":"2023-11-08T04:04:41.638851Z","published_at":"2021-03-26T20:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2021-133","https://github.com/matrix-org/synapse/pull/9200","https://github.com/matrix-org/synapse/commit/e54746bdf7d5c831eabe4dcea76a7626f1de73df","https://github.com/matrix-org/synapse/security/advisories/GHSA-246w-56m2-5899","https://github.com/matrix-org/synapse/releases/tag/v1.27.0"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"PYSEC-2021-133","url":"https://osv.dev/vulnerability/PYSEC-2021-133"},{"source":"nvd","source_id":"CVE-2021-21332","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21332"}],"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 1.27.0, the pa"}