{"id":"CVE-2025-52964","aliases":["EUVD-2025-21152","GHSA-jrx6-pjgp-jh2q"],"status":"published","title":"Junos OS and Junos OS Evolved: Receipt of a specific BGP UPDATE causes an rpd crash on devices with BGP multipath configured","description":"A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen the device receives a specific BGP UPDATE packet, the rpd crashes and restarts. Continuous receipt of this specific packet will cause a sustained DoS condition.\n\nFor the issue to occur, BGP multipath with \"pause-computation-during-churn\" must be configured on the device, and the attacker must send the paths via a BGP UPDATE from a established BGP peer.\n\nThis issue affects:\nJunos OS: \n  *  All versions before 21.4R3-S7, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S5, \n  *  from 23.2 before 23.2R2, \n  *  from 23.4 before 23.4R2.\n\n\n\nJunos OS Evolved: \n  *  All versions before 21.4R3-S7-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S5-EVO, \n  *  from 23.2 before 23.2R2-EVO, \n  *  from 23.4 before 23.4R2-EVO.","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/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":"2026-11-11","score":0.00301,"percentile":0.23153,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-617"],"published":"2025-07-11T15:06:49Z","modified":"2026-06-17T09:37:20Z","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/JSA100080","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52964"},{"url":"https://github.com/advisories/GHSA-jrx6-pjgp-jh2q"}],"sources":{"cve":[{"id":"CVE-2025-52964","title":"Junos OS and Junos OS Evolved: Receipt of a specific BGP UPDATE causes an rpd crash on devices with BGP multipath configured","description":"A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen the device receives a specific BGP UPDATE packet, the rpd crashes and restarts. Continuous receipt of this specific packet will cause a sustained DoS condition.\n\nFor the issue to occur, BGP multipath with \"pause-computation-during-churn\" must be configured on the device, and the attacker must send the paths via a BGP UPDATE from a established BGP peer.\n\nThis issue affects:\nJunos OS: \n  *  All versions before 21.4R3-S7, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S5, \n  *  from 23.2 before 23.2R2, \n  *  from 23.4 before 23.4R2.\n\n\n\nJunos OS Evolved: \n  *  All versions before 21.4R3-S7-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S5-EVO, \n  *  from 23.2 before 23.2R2-EVO, \n  *  from 23.4 before 23.4R2-EVO.","status":"published","published":"2025-07-11T15:06:49.951Z","modified":"2025-07-14T16:35:31.358Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/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":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:32:31.309974Z"}],"euvd":[{"id":"EUVD-2025-21152","description":"A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen the device receives a specific BGP UPDATE packet, the rpd crashes and restarts. Continuous receipt of this specific packet will cause a sustained DoS condition.\n\nFor the issue to occur, BGP multipath with \"pause-computation-during-churn\" must be configured on the device, and the attacker must send the paths via a BGP UPDATE from a established BGP peer.\n\nThis issue affects:\nJunos OS: \n  *  All versions before 21.4R3-S7, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S5, \n  *  from 23.2 before 23.2R2, \n  *  from 23.4 before 23.4R2.\n\n\n\nJunos OS Evolved: \n  *  All versions before 21.4R3-S7-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S5-EVO, \n  *  from 23.2 before 23.2R2-EVO, \n  *  from 23.4 before 23.4R2-EVO.","status":"published","published":"2025-07-11T15:06:49Z","modified":"2025-07-14T16:35:31Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","level":"high"}],"updated_at":"2026-11-02T20:32:08.210064Z"}],"ghsa":[{"id":"GHSA-jrx6-pjgp-jh2q","title":"A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks...","description":"A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen the device receives a specific BGP UPDATE packet, the rpd crashes and restarts. Continuous receipt of this specific packet will cause a sustained DoS condition.\n\nFor the issue to occur, BGP multipath with \"pause-computation-during-churn\" must be configured on the device, and the attacker must send the paths via a BGP UPDATE from a established BGP peer.\n\nThis issue affects:\nJunos OS: \n  *  All versions before 21.4R3-S7, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S5, \n  *  from 23.2 before 23.2R2, \n  *  from 23.4 before 23.4R2.\n\n\n\nJunos OS Evolved: \n  *  All versions before 21.4R3-S7-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S5-EVO, \n  *  from 23.2 before 23.2R2-EVO, \n  *  from 23.4 before 23.4R2-EVO.","status":"published","published":"2025-07-11T15:31:39Z","modified":"2025-07-11T15:31:44Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/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":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T15:02:59.345355Z"}],"nvd":[{"id":"CVE-2025-52964","description":"A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen the device receives a specific BGP UPDATE packet, the rpd crashes and restarts. Continuous receipt of this specific packet will cause a sustained DoS condition.\n\nFor the issue to occur, BGP multipath with \"pause-computation-during-churn\" must be configured on the device, and the attacker must send the paths via a BGP UPDATE from a established BGP peer.\n\nThis issue affects:\nJunos OS: \n  *  All versions before 21.4R3-S7, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S5, \n  *  from 23.2 before 23.2R2, \n  *  from 23.4 before 23.4R2.\n\n\n\nJunos OS Evolved: \n  *  All versions before 21.4R3-S7-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S5-EVO, \n  *  from 23.2 before 23.2R2-EVO, \n  *  from 23.4 before 23.4R2-EVO.","status":"published","published":"2025-07-11T15:15:26.997Z","modified":"2026-06-17T09:37:20.897Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/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":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:11:18.285862Z"}]}}