{"id":"CVE-2024-30382","aliases":["EUVD-2024-28303","GHSA-83pq-frch-8xf2"],"status":"published","title":"Junos OS and Junos OS Evolved: RPD crash when CoS-based forwarding (CBF) policy is configured","description":"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to send a specific routing update, causing an rpd core due to memory corruption, leading to a Denial of Service (DoS).\n\nThis issue can only be triggered when the system is configured for CoS-based forwarding (CBF) with a policy map containing a cos-next-hop-map action (see below).\nThis issue affects:\nJunos OS: \n\n\n  *  all versions before 20.4R3-S10, \n  *  from 21.2 before 21.2R3-S8,\n  *  from 21.3 before 21.3R3, \n  *  from 21.4 before 21.4R3, \n  *  from 22.1 before 22.1R2;\n\n\n\n\nJunos OS Evolved: \n\n\n  *  all versions before 21.2R3-S8-EVO,\n  *  from 21.3 before 21.3R3-EVO, \n  *  from 21.4 before 21.4R3-EVO, \n  *  from 22.1 before 22.1R2-EVO.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0071,"percentile":0.5387,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-755"],"published":"2024-04-12T15:22:03Z","modified":"2026-06-17T07:26:51Z","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/JSA79174","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","tags":["technical-description","x_transferred","Issue Tracking"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-30382"},{"url":"https://github.com/advisories/GHSA-83pq-frch-8xf2"}],"sources":{"cve":[{"id":"CVE-2024-30382","title":"Junos OS and Junos OS Evolved: RPD crash when CoS-based forwarding (CBF) policy is configured","description":"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to send a specific routing update, causing an rpd core due to memory corruption, leading to a Denial of Service (DoS).\n\nThis issue can only be triggered when the system is configured for CoS-based forwarding (CBF) with a policy map containing a cos-next-hop-map action (see below).\nThis issue affects:\nJunos OS: \n\n\n  *  all versions before 20.4R3-S10, \n  *  from 21.2 before 21.2R3-S8,\n  *  from 21.3 before 21.3R3, \n  *  from 21.4 before 21.4R3, \n  *  from 22.1 before 22.1R2;\n\n\n\n\nJunos OS Evolved: \n\n\n  *  all versions before 21.2R3-S8-EVO,\n  *  from 21.3 before 21.3R3-EVO, \n  *  from 21.4 before 21.4R3-EVO, \n  *  from 22.1 before 22.1R2-EVO.","status":"published","published":"2024-04-12T15:22:03.21Z","modified":"2024-08-02T01:32:07.236Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","level":"high","assessor":"cna"},{"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-755"],"updated_at":"2026-11-02T14:34:07.831255Z"}],"euvd":[{"id":"EUVD-2024-28303","description":"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to send a specific routing update, causing an rpd core due to memory corruption, leading to a Denial of Service (DoS).\n\nThis issue can only be triggered when the system is configured for CoS-based forwarding (CBF) with a policy map containing a cos-next-hop-map action (see below).\nThis issue affects:\nJunos OS: \n\n\n  *  all versions before 20.4R3-S10, \n  *  from 21.2 before 21.2R3-S8,\n  *  from 21.3 before 21.3R3, \n  *  from 21.4 before 21.4R3, \n  *  from 22.1 before 22.1R2;\n\n\n\n\nJunos OS Evolved: \n\n\n  *  all versions before 21.2R3-S8-EVO,\n  *  from 21.3 before 21.3R3-EVO, \n  *  from 21.4 before 21.4R3-EVO, \n  *  from 22.1 before 22.1R2-EVO.","status":"published","published":"2024-04-12T15:22:03Z","modified":"2024-08-02T01:32:07Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","level":"high"}],"updated_at":"2026-11-03T03:50:24.625974Z"}],"ghsa":[{"id":"GHSA-83pq-frch-8xf2","title":"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd)...","description":"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to send a specific routing update, causing an rpd core due to memory corruption, leading to a Denial of Service (DoS).\n\nThis issue can only be triggered when the system is configured for CoS-based forwarding (CBF) with a policy map containing a cos-next-hop-map action (see below).\nThis issue affects:\nJunos OS: \n\n\n  *  all versions before 20.4R3-S10, \n  *  from 21.2 before 21.2R3-S8,\n  *  from 21.3 before 21.3R3, \n  *  from 21.4 before 21.4R3, \n  *  from 22.1 before 22.1R2;\n\n\n\n\nJunos OS Evolved: \n\n\n  *  all versions before 21.2R3-S8-EVO,\n  *  from 21.3 before 21.3R3-EVO, \n  *  from 21.4 before 21.4R3-EVO, \n  *  from 22.1 before 22.1R2-EVO.","status":"published","published":"2024-04-12T18:33:26Z","modified":"2025-02-06T21:33:10Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"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-755"],"updated_at":"2026-11-02T14:59:49.339987Z"}],"nvd":[{"id":"CVE-2024-30382","description":"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to send a specific routing update, causing an rpd core due to memory corruption, leading to a Denial of Service (DoS).\n\nThis issue can only be triggered when the system is configured for CoS-based forwarding (CBF) with a policy map containing a cos-next-hop-map action (see below).\nThis issue affects:\nJunos OS: \n\n\n  *  all versions before 20.4R3-S10, \n  *  from 21.2 before 21.2R3-S8,\n  *  from 21.3 before 21.3R3, \n  *  from 21.4 before 21.4R3, \n  *  from 22.1 before 22.1R2;\n\n\n\n\nJunos OS Evolved: \n\n\n  *  all versions before 21.2R3-S8-EVO,\n  *  from 21.3 before 21.3R3-EVO, \n  *  from 21.4 before 21.4R3-EVO, \n  *  from 22.1 before 22.1R2-EVO.","status":"published","published":"2024-04-12T16:15:37.207Z","modified":"2026-06-17T07:26:51.39Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","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":"secondary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:09:50.299382Z"}]}}