{"action":"Upgrade matrix-synapse to 1.25.0 or later.","affected":[{"fixed":"1.25.0","introduced":"0"}],"component":"matrix-synapse","cve_ids":["CVE-2021-21273"],"ecosystem":"PyPI","epss":0.018,"exploited":false,"fixed_versions":["1.25.0"],"ghsa_id":"GHSA-v936-j8gp-9q3p","id":"tcs_01M5KGB6NSYY67NYXAGC1R92VA","modified_at":"2023-11-08T04:04:39.802338Z","published_at":"2021-02-26T18:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2021-131","https://github.com/matrix-org/synapse/releases/tag/v1.25.0","https://github.com/matrix-org/synapse/commit/30fba6210834a4ecd91badf0c8f3eb278b72e746","https://github.com/matrix-org/synapse/security/advisories/GHSA-v936-j8gp-9q3p","https://github.com/matrix-org/synapse/pull/8821"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"PYSEC-2021-131","url":"https://osv.dev/vulnerability/PYSEC-2021-131"},{"source":"nvd","source_id":"CVE-2021-21273","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21273"}],"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, reques"}