{"id":"CVE-2019-0054","aliases":["EUVD-2019-0861","GHSA-5fw8-5jwx-qwh6"],"status":"published","title":"Junos OS: SRX Series: An attacker may be able to perform Man-in-the-Middle (MitM) attacks during app-id signature updates.","description":"An Improper Certificate Validation weakness in the SRX Series Application Identification (app-id) signature update client of Juniper Networks Junos OS allows an attacker to perform Man-in-the-Middle (MitM) attacks which may compromise the integrity and confidentiality of the device. This issue affects: Juniper Networks Junos OS 15.1X49 versions prior to 15.1X49-D120 on SRX Series devices. No other versions of Junos OS are affected.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00587,"percentile":0.48315,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295","CWE-300"],"published":"2019-10-09T19:26:17Z","modified":"2026-06-17T02:07:36Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper networks","product":"junos os"}],"references":[{"url":"https://kb.juniper.net/JSA10952","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-application-identification-overview.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-0054"},{"url":"https://github.com/advisories/GHSA-5fw8-5jwx-qwh6"}],"sources":{"cve":[{"id":"CVE-2019-0054","title":"Junos OS: SRX Series: An attacker may be able to perform Man-in-the-Middle (MitM) attacks during app-id signature updates.","description":"An Improper Certificate Validation weakness in the SRX Series Application Identification (app-id) signature update client of Juniper Networks Junos OS allows an attacker to perform Man-in-the-Middle (MitM) attacks which may compromise the integrity and confidentiality of the device. This issue affects: Juniper Networks Junos OS 15.1X49 versions prior to 15.1X49-D120 on SRX Series devices. No other versions of Junos OS are affected.","status":"published","published":"2019-10-09T19:26:17.333Z","modified":"2024-09-17T00:36:21.418Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-295","CWE-300"],"updated_at":"2026-11-02T14:32:24.473448Z"}],"euvd":[{"id":"EUVD-2019-0861","description":"An Improper Certificate Validation weakness in the SRX Series Application Identification (app-id) signature update client of Juniper Networks Junos OS allows an attacker to perform Man-in-the-Middle (MitM) attacks which may compromise the integrity and confidentiality of the device. This issue affects: Juniper Networks Junos OS 15.1X49 versions prior to 15.1X49-D120 on SRX Series devices. No other versions of Junos OS are affected.","status":"published","published":"2019-10-09T19:26:17Z","modified":"2024-09-17T00:36:21Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:57.378482Z"}],"ghsa":[{"id":"GHSA-5fw8-5jwx-qwh6","title":"An Improper Certificate Validation weakness in the SRX Series Application Identification (app-id)...","description":"An Improper Certificate Validation weakness in the SRX Series Application Identification (app-id) signature update client of Juniper Networks Junos OS allows an attacker to perform Man-in-the-Middle (MitM) attacks which may compromise the integrity and confidentiality of the device. This issue affects: Juniper Networks Junos OS 15.1X49 versions prior to 15.1X49-D120 on SRX Series devices. No other versions of Junos OS are affected.","status":"published","published":"2022-05-24T16:58:11Z","modified":"2024-04-04T02:12:13Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:56:07.143453Z"}],"nvd":[{"id":"CVE-2019-0054","description":"An Improper Certificate Validation weakness in the SRX Series Application Identification (app-id) signature update client of Juniper Networks Junos OS allows an attacker to perform Man-in-the-Middle (MitM) attacks which may compromise the integrity and confidentiality of the device. This issue affects: Juniper Networks Junos OS 15.1X49 versions prior to 15.1X49-D120 on SRX Series devices. No other versions of Junos OS are affected.","status":"published","published":"2019-10-09T20:15:16.347Z","modified":"2026-06-17T02:07:36.92Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295","CWE-300"],"updated_at":"2026-11-02T14:05:31.019577Z"}]}}