{"id":"CVE-2021-42009","aliases":["EUVD-2021-2206","GHSA-gw97-f6h8-gm94","GO-2022-0602"],"status":"published","title":"Apache Traffic Control Traffic Ops Email Injection Vulnerability","description":"An authenticated Apache Traffic Control Traffic Ops user with Portal-level privileges can send a request with a specially-crafted email subject to the /deliveryservices/request Traffic Ops endpoint to send an email, from the Traffic Ops server, with an arbitrary body to an arbitrary email address. Apache Traffic Control 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02824,"percentile":0.86703,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2021-10-12T07:40:11Z","modified":"2026-10-24T10:30:42Z","fixes":[{"ecosystem":"Go","package":"github.com/apache/trafficcontrol","fixed_in":["5.1.3","5.1.3+incompatible"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/apache/trafficcontrol","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/apache/trafficcontrol","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.1.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/apache/trafficcontrol","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.1.3+incompatible"}]}]}],"products":[{"vendor":"apache","product":"traffic_control"},{"vendor":"apache software foundation","product":"apache traffic control"}],"references":[{"url":"https://lists.apache.org/thread.html/re384fd0f44c6d230f31376153c6e8b59e4a669f927c1533d06d702af%40%3Cdev.trafficcontrol.apache.org%3E","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"https://lists.apache.org/thread.html/rf0481b9e38ece1ece458d3ce7b2d671df819e3555597f31fc34f084e%40%3Ccommits.trafficcontrol.apache.org%3E","tags":["x_refsource_MISC","x_transferred","Mailing List","Patch","Vendor Advisory","fix","web"]},{"url":"http://www.openwall.com/lists/oss-security/2021/10/12/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://lists.apache.org/thread.html/r78d471d8a4fd268a4c5ae6c47327c09d9d4b4467c31da2c97422febb%40%3Cdev.trafficcontrol.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r7dfa9a89b39d06caeeeb7b5cdc41b3493a9b86cc6cfa059d3f349d87%40%3Cannounce.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42009","tags":["advisory"]},{"url":"https://lists.apache.org/thread.html/r78d471d8a4fd268a4c5ae6c47327c09d9d4b4467c31da2c97422febb@%3Cdev.trafficcontrol.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r7dfa9a89b39d06caeeeb7b5cdc41b3493a9b86cc6cfa059d3f349d87@%3Cannounce.apache.org%3E","tags":["web"]},{"url":"https://github.com/advisories/GHSA-gw97-f6h8-gm94","tags":["advisory"]},{"url":"https://github.com/apache/trafficcontrol","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-42009","title":"Apache Traffic Control Traffic Ops Email Injection Vulnerability","description":"An authenticated Apache Traffic Control Traffic Ops user with Portal-level privileges can send a request with a specially-crafted email subject to the /deliveryservices/request Traffic Ops endpoint to send an email, from the Traffic Ops server, with an arbitrary body to an arbitrary email address. Apache Traffic Control 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.","status":"published","published":"2021-10-12T07:40:11Z","modified":"2024-08-04T03:22:25.843Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-2206","description":"An authenticated Apache Traffic Control Traffic Ops user with Portal-level privileges can send a request with a specially-crafted email subject to the /deliveryservices/request Traffic Ops endpoint to send an email, from the Traffic Ops server, with an arbitrary body to an arbitrary email address. Apache Traffic Control 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.","status":"published","published":"2021-10-12T07:40:11Z","modified":"2024-08-04T03:22:25Z","updated_at":"2026-11-03T03:24:17.230256Z"}],"ghsa":[{"id":"GHSA-gw97-f6h8-gm94","title":"Email relay in Apache Traffic Control","description":"An authenticated Apache Traffic Control Traffic Ops user with Portal-level privileges can send a request with a specially-crafted email subject to the /deliveryservices/request Traffic Ops endpoint to send an email, from the Traffic Ops server, with an arbitrary body to an arbitrary email address. Apache Traffic Control 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.","status":"published","published":"2021-10-13T18:55:04Z","modified":"2023-02-01T05:06:23Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:36:38.281533Z"}],"nvd":[{"id":"CVE-2021-42009","description":"An authenticated Apache Traffic Control Traffic Ops user with Portal-level privileges can send a request with a specially-crafted email subject to the /deliveryservices/request Traffic Ops endpoint to send an email, from the Traffic Ops server, with an arbitrary body to an arbitrary email address. Apache Traffic Control 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.","status":"published","published":"2021-10-12T08:15:06.92Z","modified":"2026-06-17T04:09:08.697Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:59.689345Z"}],"osv":[{"id":"CVE-2021-42009","description":"An authenticated Apache Traffic Control Traffic Ops user with Portal-level privileges can send a request with a specially-crafted email subject to the /deliveryservices/request Traffic Ops endpoint to send an email, from the Traffic Ops server, with an arbitrary body to an arbitrary email address. Apache Traffic Control 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.","status":"published","published":"2021-10-12T08:15:06.92Z","modified":"2026-10-24T10:30:42.633043025Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"GHSA-gw97-f6h8-gm94","title":"Email relay in Apache Traffic Control","description":"An authenticated Apache Traffic Control Traffic Ops user with Portal-level privileges can send a request with a specially-crafted email subject to the /deliveryservices/request Traffic Ops endpoint to send an email, from the Traffic Ops server, with an arbitrary body to an arbitrary email address. Apache Traffic Control 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.","status":"published","published":"2021-10-13T18:55:04Z","modified":"2024-08-21T15:41:38.754243Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:48.191583Z"},{"id":"GO-2022-0602","title":"Email relay in Apache Traffic Control in github.com/apache/trafficcontrol","description":"Email relay in Apache Traffic Control in github.com/apache/trafficcontrol","status":"published","published":"2024-08-21T15:11:38Z","modified":"2026-03-03T04:50:44.304023Z","updated_at":"2026-11-02T15:47:00.918515Z"}]}}