{"id":"CVE-2023-44185","aliases":["EUVD-2023-48544","GHSA-rvw9-8m2p-4pgm"],"status":"published","title":"Junos OS and Junos OS Evolved: In an BGP scenario RPD crashes upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet","description":"An Improper Input Validation vulnerability in the routing protocol daemon (rpd) of Juniper Networks allows an attacker to cause a Denial of Service (DoS )to the device upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet.\n\nContinued receipt of this packet will cause a sustained Denial of Service condition.\n\nThis issue affects:\n\n\n\n  *  Juniper Networks Junos OS:\n  *  All versions prior to 20.4R3-S6;\n  *  21.1 versions prior to 21.1R3-S5;\n  *  21.2 versions prior to 21.2R3-S4;\n  *  21.3 versions prior to 21.3R3-S3;\n  *  21.4 versions prior to 21.4R3-S3;\n  *  22.1 versions prior to 22.1R2-S2, 22.1R3;\n  *  22.2 versions prior to 22.2R2-S1, 22.2R3;\n  *  22.3 versions prior to 22.3R1-S2, 22.3R2.\n\n\n\n\nJuniper Networks Junos OS Evolved:\n\n\n\n  *  All versions prior to 20.4R3-S6-EVO;\n  *  21.1-EVO version 21.1R1-EVO and later versions prior to 21.2R3-S4-EVO;\n  *  21.3-EVO versions prior to 21.3R3-S3-EVO;\n  *  21.4-EVO versions prior to 21.4R3-S3-EVO;\n  *  22.1-EVO versions prior to 22.1R3-EVO;\n  *  22.2-EVO versions prior to 22.2R2-S1-EVO, 22.2R3-EVO;\n  *  22.3-EVO versions prior to 22.3R1-S2-EVO, 22.3R2-EVO.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00616,"percentile":0.49856,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2023-10-12T23:02:53Z","modified":"2026-06-17T06:27:04Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper","product":"junos_os_evolved"},{"vendor":"juniper networks","product":"junos os"},{"vendor":"juniper networks","product":"junos os evolved"}],"references":[{"url":"https://supportportal.juniper.net/JSA73146","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-44185"},{"url":"https://github.com/advisories/GHSA-rvw9-8m2p-4pgm"}],"sources":{"cve":[{"id":"CVE-2023-44185","title":"Junos OS and Junos OS Evolved: In an BGP scenario RPD crashes upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet","description":"\nAn Improper Input Validation vulnerability in the routing protocol daemon (rpd) of Juniper Networks allows an attacker to cause a Denial of Service (DoS )to the device upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet.\n\nContinued receipt of this packet will cause a sustained Denial of Service condition.\n\nThis issue affects:\n\n\n\n  *  Juniper Networks Junos OS:\n  *  All versions prior to 20.4R3-S6;\n  *  21.1 versions prior to 21.1R3-S5;\n  *  21.2 versions prior to 21.2R3-S4;\n  *  21.3 versions prior to 21.3R3-S3;\n  *  21.4 versions prior to 21.4R3-S3;\n  *  22.1 versions prior to 22.1R2-S2, 22.1R3;\n  *  22.2 versions prior to 22.2R2-S1, 22.2R3;\n  *  22.3 versions prior to 22.3R1-S2, 22.3R2.\n\n\n\n\nJuniper Networks Junos OS Evolved:\n\n\n\n  *  All versions prior to 20.4R3-S6-EVO;\n  *  21.1-EVO version 21.1R1-EVO and later versions prior to 21.2R3-S4-EVO;\n  *  21.3-EVO versions prior to 21.3R3-S3-EVO;\n  *  21.4-EVO versions prior to 21.4R3-S3-EVO;\n  *  22.1-EVO versions prior to 22.1R3-EVO;\n  *  22.2-EVO versions prior to 22.2R2-S1-EVO, 22.2R3-EVO;\n  *  22.3-EVO versions prior to 22.3R1-S2-EVO, 22.3R2-EVO.\n\n\n\n\n\n\n","status":"published","published":"2023-10-12T23:02:53.74Z","modified":"2024-09-19T13:09:31.75Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:21.612665Z"}],"euvd":[{"id":"EUVD-2023-48544","description":"\nAn Improper Input Validation vulnerability in the routing protocol daemon (rpd) of Juniper Networks allows an attacker to cause a Denial of Service (DoS )to the device upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet.\n\nContinued receipt of this packet will cause a sustained Denial of Service condition.\n\nThis issue affects:\n\n\n\n  *  Juniper Networks Junos OS:\n  *  All versions prior to 20.4R3-S6;\n  *  21.1 versions prior to 21.1R3-S5;\n  *  21.2 versions prior to 21.2R3-S4;\n  *  21.3 versions prior to 21.3R3-S3;\n  *  21.4 versions prior to 21.4R3-S3;\n  *  22.1 versions prior to 22.1R2-S2, 22.1R3;\n  *  22.2 versions prior to 22.2R2-S1, 22.2R3;\n  *  22.3 versions prior to 22.3R1-S2, 22.3R2.\n\n\n\n\nJuniper Networks Junos OS Evolved:\n\n\n\n  *  All versions prior to 20.4R3-S6-EVO;\n  *  21.1-EVO version 21.1R1-EVO and later versions prior to 21.2R3-S4-EVO;\n  *  21.3-EVO versions prior to 21.3R3-S3-EVO;\n  *  21.4-EVO versions prior to 21.4R3-S3-EVO;\n  *  22.1-EVO versions prior to 22.1R3-EVO;\n  *  22.2-EVO versions prior to 22.2R2-S1-EVO, 22.2R3-EVO;\n  *  22.3-EVO versions prior to 22.3R1-S2-EVO, 22.3R2-EVO.\n\n\n\n\n\n\n","status":"published","published":"2023-10-12T23:02:53Z","modified":"2024-09-19T13:09:31Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:19.564867Z"}],"ghsa":[{"id":"GHSA-rvw9-8m2p-4pgm","title":"\nAn Improper Input Validation vulnerability in the routing protocol daemon (rpd) of Juniper...","description":"\nAn Improper Input Validation vulnerability in the routing protocol daemon (rpd) of Juniper Networks allows an attacker to cause a Denial of Service (DoS )to the device upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet.\n\nContinued receipt of this packet will cause a sustained Denial of Service condition.\n\nThis issue affects:\n\n\n\n  *  Juniper Networks Junos OS:\n  *  All versions prior to 20.4R3-S6;\n  *  21.1 versions prior to 21.1R3-S5;\n  *  21.2 versions prior to 21.2R3-S4;\n  *  21.3 versions prior to 21.3R3-S3;\n  *  21.4 versions prior to 21.4R3-S3;\n  *  22.1 versions prior to 22.1R2-S2, 22.1R3;\n  *  22.2 versions prior to 22.2R2-S1, 22.2R3;\n  *  22.3 versions prior to 22.3R1-S2, 22.3R2.\n\n\n\n\nJuniper Networks Junos OS Evolved:\n\n\n\n  *  All versions prior to 20.4R3-S6-EVO;\n  *  21.1-EVO version 21.1R1-EVO and later versions prior to 21.2R3-S4-EVO;\n  *  21.3-EVO versions prior to 21.3R3-S3-EVO;\n  *  21.4-EVO versions prior to 21.4R3-S3-EVO;\n  *  22.1-EVO versions prior to 22.1R3-EVO;\n  *  22.2-EVO versions prior to 22.2R2-S1-EVO, 22.2R3-EVO;\n  *  22.3-EVO versions prior to 22.3R1-S2-EVO, 22.3R2-EVO.\n\n\n\n\n\n\n","status":"published","published":"2023-10-13T00:30:19Z","modified":"2024-04-04T08:36:52Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:56:59.652212Z"}],"nvd":[{"id":"CVE-2023-44185","description":"\nAn Improper Input Validation vulnerability in the routing protocol daemon (rpd) of Juniper Networks allows an attacker to cause a Denial of Service (DoS )to the device upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet.\n\nContinued receipt of this packet will cause a sustained Denial of Service condition.\n\nThis issue affects:\n\n\n\n  *  Juniper Networks Junos OS:\n  *  All versions prior to 20.4R3-S6;\n  *  21.1 versions prior to 21.1R3-S5;\n  *  21.2 versions prior to 21.2R3-S4;\n  *  21.3 versions prior to 21.3R3-S3;\n  *  21.4 versions prior to 21.4R3-S3;\n  *  22.1 versions prior to 22.1R2-S2, 22.1R3;\n  *  22.2 versions prior to 22.2R2-S1, 22.2R3;\n  *  22.3 versions prior to 22.3R1-S2, 22.3R2.\n\n\n\n\nJuniper Networks Junos OS Evolved:\n\n\n\n  *  All versions prior to 20.4R3-S6-EVO;\n  *  21.1-EVO version 21.1R1-EVO and later versions prior to 21.2R3-S4-EVO;\n  *  21.3-EVO versions prior to 21.3R3-S3-EVO;\n  *  21.4-EVO versions prior to 21.4R3-S3-EVO;\n  *  22.1-EVO versions prior to 22.1R3-EVO;\n  *  22.2-EVO versions prior to 22.2R2-S1-EVO, 22.2R3-EVO;\n  *  22.3-EVO versions prior to 22.3R1-S2-EVO, 22.3R2-EVO.\n\n\n\n\n\n\n","status":"published","published":"2023-10-13T00:15:12.147Z","modified":"2026-06-17T06:27:04.463Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:08:37.83429Z"}]}}