{"id":"CVE-2020-27687","details":"ThingsBoard before v3.2 is vulnerable to Host header injection in password-reset emails. This allows an attacker to send malicious links in password-reset emails to victims, pointing to an attacker-controlled server. Lack of validation of the Host header allows this to happen.","modified":"2026-08-07T15:12:22.035447Z","published":"2020-12-18T19:15:14.767Z","references":[{"type":"ADVISORY","url":"https://github.com/thingsboard/thingsboard/commits/master"},{"type":"EVIDENCE","url":"https://gist.github.com/vin01/26a8bb13233acd9425e7575a7ad4c936"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/thingsboard/thingsboard","events":[{"introduced":"0"},{"fixed":"d293420ce8b30d5f710ecfdc7dd27429ff6171f8"}],"database_specific":{"cpe":"cpe:2.3:a:thingsboard:thingsboard:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.2"}],"source":"CPE_RANGE"}}],"versions":["v2.1","v2.0.3","v2.0.2","v2.0","v2.0.1","v1.3.1","v1.2.1","v1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27687.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}