{"id":"CVE-2024-47507","aliases":["EUVD-2024-42510","GHSA-8qjw-q35q-vjp5"],"status":"published","title":"Junos OS and Junos OS Evolved: BGP update message containing aggregator attribute with an ASN value of zero (0) is accepted","description":"An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause an integrity impact to the downstream devices.\n\nWhen a peer sends a BGP update message which contains the aggregator attribute with an ASN value of zero (0), rpd accepts and propagates this attribute, which can cause issues for downstream BGP peers receiving this.\n\n\n\nThis issue affects:\n\nJunos OS:\n\n\n\n  *  All versions before 21.4R3-S6,\n  *  22.2 versions before 22.2R3-S3,\n  *  22.4 versions before 22.4R3; \n\n\n\n\n\n\n\nJunos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S7-EVO,\n  *  22.2 versions before 22.2R3-S4-EVO,\n  *  22.4 versions before 22.4R3-EVO.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/RE:M","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00291,"percentile":0.21933,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-754"],"published":"2024-10-11T15:38:16Z","modified":"2026-06-17T07:57:12Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper","product":"junos_evolved"},{"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/JSA88138","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-47507"},{"url":"https://github.com/advisories/GHSA-8qjw-q35q-vjp5"}],"sources":{"cve":[{"id":"CVE-2024-47507","title":"Junos OS and Junos OS Evolved: BGP update message containing aggregator attribute with an ASN value of zero (0) is accepted","description":"An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause an integrity impact to the downstream devices.\n\nWhen a peer sends a BGP update message which contains the aggregator attribute with an ASN value of zero (0), rpd accepts and propagates this attribute, which can cause issues for downstream BGP peers receiving this.\n\n\n\nThis issue affects:\n\nJunos OS:\n\n\n\n  *  All versions before 21.4R3-S6,\n  *  22.2 versions before 22.2R3-S3,\n  *  22.4 versions before 22.4R3; \n\n\n\n\n\n\n\nJunos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S7-EVO,\n  *  22.2 versions before 22.2R3-S4-EVO,\n  *  22.4 versions before 22.4R3-EVO.","status":"published","published":"2024-10-11T15:38:16.861Z","modified":"2024-10-11T17:13:40.197Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/RE:M","level":"medium","assessor":"cna"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:33:57.302325Z"}],"euvd":[{"id":"EUVD-2024-42510","description":"An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause an integrity impact to the downstream devices.\n\nWhen a peer sends a BGP update message which contains the aggregator attribute with an ASN value of zero (0), rpd accepts and propagates this attribute, which can cause issues for downstream BGP peers receiving this.\n\n\n\nThis issue affects:\n\nJunos OS:\n\n\n\n  *  All versions before 21.4R3-S6,\n  *  22.2 versions before 22.2R3-S3,\n  *  22.4 versions before 22.4R3; \n\n\n\n\n\n\n\nJunos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S7-EVO,\n  *  22.2 versions before 22.2R3-S4-EVO,\n  *  22.4 versions before 22.4R3-EVO.","status":"published","published":"2024-10-11T15:38:16Z","modified":"2024-10-11T17:13:40Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/RE:M","level":"medium"}],"updated_at":"2026-11-03T00:27:39.149807Z"}],"ghsa":[{"id":"GHSA-8qjw-q35q-vjp5","title":"An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol...","description":"An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause an integrity impact to the downstream devices.\n\nWhen a peer sends a BGP update message which contains the aggregator attribute with an ASN value of zero (0), rpd accepts and propagates this attribute, which can cause issues for downstream BGP peers receiving this.\n\n\n\nThis issue affects:\n\nJunos OS:\n\n\n\n  *  All versions before 21.4R3-S6,\n  *  22.2 versions before 22.2R3-S3,\n  *  22.4 versions before 22.4R3; \n\n\n\n\n\n\n\nJunos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S7-EVO,\n  *  22.2 versions before 22.2R3-S4-EVO,\n  *  22.4 versions before 22.4R3-EVO.","status":"published","published":"2024-10-11T18:32:49Z","modified":"2024-10-11T18:32:56Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/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:M/U:X","level":"medium"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:58:29.079883Z"}],"nvd":[{"id":"CVE-2024-47507","description":"An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause an integrity impact to the downstream devices.\n\nWhen a peer sends a BGP update message which contains the aggregator attribute with an ASN value of zero (0), rpd accepts and propagates this attribute, which can cause issues for downstream BGP peers receiving this.\n\n\n\nThis issue affects:\n\nJunos OS:\n\n\n\n  *  All versions before 21.4R3-S6,\n  *  22.2 versions before 22.2R3-S3,\n  *  22.4 versions before 22.4R3; \n\n\n\n\n\n\n\nJunos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S7-EVO,\n  *  22.2 versions before 22.2R3-S4-EVO,\n  *  22.4 versions before 22.4R3-EVO.","status":"published","published":"2024-10-11T16:15:12.7Z","modified":"2026-06-17T07:57:12.723Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/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:M/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:10:31.879321Z"}]}}