{"id":"CVE-2017-1000007","aliases":["EUVD-2017-0138","GHSA-cggm-52qp-wvw7","PYSEC-2017-85","UBUNTU-CVE-2017-1000007"],"status":"published","title":"txAWS AWSServiceEndpoint defaults to not verifying server certificates","description":"txAWS (all current versions) fail to perform complete certificate verification resulting in vulnerability to MitM attacks and information disclosure.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0075,"percentile":0.55403,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-295"],"published":"2017-07-13T20:00:00Z","modified":"2026-06-17T00:58:34Z","fixes":[{"ecosystem":"PyPI","package":"txaws","fixed_in":["0.4.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"txaws","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"txaws","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.0"}]}],"versions":["0.0.1","0.2","0.2.1","0.2.3","0.2.3.1","0.3.0","0.3.0.dev0"]},{"source":"osv","ecosystem":"PyPI","package":"txaws","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.0.1"}]}],"versions":["0.0.1","0.2","0.2.1","0.2.3","0.2.3.1","0.3.0","0.3.0.dev0","0.4.0","0.5.0"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"txaws","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.2.3-1ubuntu1"]}],"products":[{"vendor":"twistedmatrix","product":"txaws"}],"references":[{"url":"https://github.com/twisted/txaws/issues/24","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-1000007","tags":["advisory"]},{"url":"https://github.com/twisted/txaws/pull/26","tags":["web"]},{"url":"https://github.com/twisted/txaws/commit/46b66c3dc315de7b5896d60531311ec9658bc466","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/txaws/PYSEC-2017-85.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-cggm-52qp-wvw7","tags":["advisory"]},{"url":"https://github.com/twisted/txaws","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2017-1000007","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-1000007","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-1000007","description":"txAWS (all current versions) fail to perform complete certificate verification resulting in vulnerability to MitM attacks and information 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