{"id":"CVE-2019-12496","aliases":["EUVD-2022-5350","GHSA-vfxc-r2gx-v2vq","GO-2021-0083"],"status":"published","title":"Hybrid Group Gobot Improper Certificate Validation vulnerability","description":"An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0071,"percentile":0.53799,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2019-05-31T10:59:23Z","modified":"2026-10-20T10:51:37Z","fixes":[{"ecosystem":"Go","package":"github.com/hybridgroup/gobot","fixed_in":["1.12.1-0.20190521122906-c1aa4f867846"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/hybridgroup/gobot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.1-0.20190521122906-c1aa4f867846"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hybridgroup/gobot","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.12.1-0.20190521122906-c1aa4f867846"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hybridgroup/gobot","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.12.1-0.20190521122906-c1aa4f867846"}]}]}],"products":[{"vendor":"hybridgroup","product":"gobot"}],"references":[{"url":"https://github.com/hybridgroup/gobot/releases/tag/v1.13.0","tags":["x_refsource_MISC","x_transferred","Release Notes","advisory","web"]},{"url":"https://github.com/hybridgroup/gobot/compare/ed53198...7f973df","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12496","tags":["advisory"]},{"url":"https://github.com/hybridgroup/gobot/commit/c1aa4f867846da4669ecf3bc3318bd96b7ee6f3f","tags":["web","fix"]},{"url":"https://pkg.go.dev/vuln/GO-2021-0083","tags":["web"]},{"url":"https://github.com/advisories/GHSA-vfxc-r2gx-v2vq"},{"url":"https://github.com/hybridgroup/gobot","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2019-12496","description":"An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.","status":"published","published":"2019-05-31T10:59:23Z","modified":"2024-08-04T23:24:38.221Z","updated_at":"2026-11-02T14:20:24.025419Z"}],"euvd":[{"id":"EUVD-2022-5350","description":"An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.","status":"published","published":"2019-05-31T10:59:23Z","modified":"2024-08-04T23:24:38Z","updated_at":"2026-11-03T02:40:45.434408Z"}],"ghsa":[{"id":"GHSA-vfxc-r2gx-v2vq","title":"Hybrid Group Gobot Improper Certificate Validation vulnerability","description":"An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.\n\n### Specific Go Packages Affected\ngithub.com/hybridgroup/gobot/platforms/mqtt","status":"published","published":"2022-05-24T16:46:55Z","modified":"2023-09-29T16:02:18Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:37:06.913882Z"}],"nvd":[{"id":"CVE-2019-12496","description":"An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.","status":"published","published":"2019-05-31T11:29:02.733Z","modified":"2026-06-17T02:14:46.023Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:05:14.729983Z"}],"osv":[{"id":"CVE-2019-12496","description":"An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.","status":"published","published":"2019-05-31T11:29:02.733Z","modified":"2026-10-20T10:51:37.158016108Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:10.718934Z"},{"id":"GHSA-vfxc-r2gx-v2vq","title":"Hybrid Group Gobot Improper Certificate Validation vulnerability","description":"An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.\n\n### Specific Go Packages Affected\ngithub.com/hybridgroup/gobot/platforms/mqtt","status":"published","published":"2022-05-24T16:46:55Z","modified":"2023-11-08T04:01:05.575645Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:46:57.348035Z"},{"id":"GO-2021-0083","title":"Improper certificate validation in github.com/hybridgroup/gobot","description":"TLS certificate verification is skipped when connecting to a MQTT server. This allows an attacker who can MITM the connection to read, or forge, messages passed between the client and server.","status":"published","published":"2021-04-14T20:04:52Z","modified":"2024-05-20T16:03:47Z","updated_at":"2026-11-02T15:47:00.604718Z"}]}}