CVE-2025-59962

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For example:<br><br><tt>[ system processes routing bgp rib-sharding ]</tt>"}], "value": "Systems are only vulnerable to this issue if BGP sharding is enabled. For example:\n\n[ system processes routing bgp rib-sharding ]"}], "datePublic": "2025-10-08T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">An Access of Uninitialized Pointer vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved with BGP sharding configured allows an attacker triggering indirect next-hop updates, along with timing outside the attacker's control, to cause rpd to crash and restart, leading to a Denial of Service (DoS).</span><br><br>With BGP sharding enabled, triggering route resolution of an indirect next-hop (e.g., an IGP route change over which a BGP route gets resolved), may cause rpd to crash and restart. An attacker causing continuous IGP route churn, resulting in repeated route re-resolution, will increase the likelihood of triggering this issue, leading to a potentially extended DoS condition.<br><br><p>This issue affects:</p><p>Junos OS:</p><p></p><ul><li>all versions before 21.4R3-S6,&nbsp;</li><li>from 22.1 before 22.1R3-S6,&nbsp;</li><li>from 22.2 before 22.2R3-S3,&nbsp;</li><li>from 22.3 before 22.3R3-S3,&nbsp;</li><li>from 22.4 before 22.4R3,&nbsp;</li><li>from 23.2 before 23.2R2;&nbsp;</li></ul><p></p><p>Junos OS Evolved:&nbsp;</p><p></p><ul><li>all versions before 22.3R3-S3-EVO,&nbsp;</li><li>from 22.4 before 22.4R3-EVO,&nbsp;</li><li>from 23.2 before 23.2R2-EVO.</li></ul><p></p>Versions before Junos OS 21.3R1 and Junos OS Evolved 21.3R1-EVO are unaffected by this issue."}], "value": "An Access of Uninitialized Pointer vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved with BGP sharding configured allows an attacker triggering indirect next-hop updates, along with timing outside the attacker's control, to cause rpd to crash and restart, leading to a Denial of Service (DoS).\n\nWith BGP sharding enabled, triggering route resolution of an indirect next-hop (e.g., an IGP route change over which a BGP route gets resolved), may cause rpd to crash and restart. An attacker causing continuous IGP route churn, resulting in repeated route re-resolution, will increase the likelihood of triggering this issue, leading to a potentially extended DoS condition.\n\nThis issue affects:\n\nJunos OS:\n\n\n\n * all versions before 21.4R3-S6,\u00a0\n * from 22.1 before 22.1R3-S6,\u00a0\n * from 22.2 before 22.2R3-S3,\u00a0\n * from 22.3 before 22.3R3-S3,\u00a0\n * from 22.4 before 22.4R3,\u00a0\n * from 23.2 before 23.2R2;\u00a0\n\n\n\n\nJunos OS Evolved:\u00a0\n\n\n\n * all versions before 22.3R3-S3-EVO,\u00a0\n * from 22.4 before 22.4R3-EVO,\u00a0\n * from 23.2 before 23.2R2-EVO.\n\n\n\n\nVersions before Junos OS 21.3R1 and Junos OS Evolved 21.3R1-EVO are unaffected by this issue."}], "exploits": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"cvssV4_0": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "ADJACENT", "baseScore": 6, "baseSeverity": "MEDIUM", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-824", "description": "CWE-824 Access of Uninitialized Pointer", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2025-10-09T15:45:19.343Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://supportportal.juniper.net/JSA103151"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The following software releases have been updated to resolve this specific issue: <br>Junos OS&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">21.4R3-S6, 22.1R3-S6, 22.2R3-S3, 22.3R3-S3, 22.4R3, 23.2R2, 23.4R1, and all subsequent releases.</span>\n\n<br>Junos OS Evolved 22.3R3-S3-EVO, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases.<br><br>"}], "value": "The following software releases have been updated to resolve this specific issue: \nJunos OS\u00a021.4R3-S6, 22.1R3-S6, 22.2R3-S3, 22.3R3-S3, 22.4R3, 23.2R2, 23.4R1, and all subsequent releases.\n\n\nJunos OS Evolved 22.3R3-S3-EVO, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases."}], "source": {"advisory": "JSA103151", "defect": ["1756068"], "discovery": "USER"}, "title": "Junos OS and Junos OS Evolved: With BGP sharding enabled, change in indirect next-hop can cause RPD crash", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Temporarily disabling BGP sharding will mitigate this issue."}], "value": "Temporarily disabling BGP sharding will mitigate this issue."}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-09T19:04:53.957280Z", "id": "CVE-2025-59962", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-09T19:05:04.870Z"}}]}}

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cause rpd to crash and restart, leading to a Denial of Service (DoS).\n\nWith BGP sharding enabled, triggering route resolution of an indirect next-hop (e.g., an IGP route change over which a BGP route gets resolved), may cause rpd to crash and restart. An attacker causing continuous IGP route churn, resulting in repeated route re-resolution, will increase the likelihood of triggering this issue, leading to a potentially extended DoS condition.\n\nThis issue affects:\n\nJunos OS:\n\n\n\n * all versions before 21.4R3-S6,\u00a0\n * from 22.1 before 22.1R3-S6,\u00a0\n * from 22.2 before 22.2R3-S3,\u00a0\n * from 22.3 before 22.3R3-S3,\u00a0\n * from 22.4 before 22.4R3,\u00a0\n * from 23.2 before 23.2R2;\u00a0\n\n\n\n\nJunos OS Evolved:\u00a0\n\n\n\n * all versions before 22.3R3-S3-EVO,\u00a0\n * from 22.4 before 22.4R3-EVO,\u00a0\n * from 23.2 before 23.2R2-EVO.\n\n\n\n\nVersions before Junos OS 21.3R1 and Junos OS Evolved 21.3R1-EVO are unaffected by this issue.", "supportingMedia": [{"type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">An Access of Uninitialized Pointer vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved with BGP sharding configured allows an attacker triggering indirect next-hop updates, along with timing outside the attacker's control, to cause rpd to crash and restart, leading to a Denial of Service (DoS).</span><br><br>With BGP sharding enabled, triggering route resolution of an indirect next-hop (e.g., an IGP route change over which a BGP route gets resolved), may cause rpd to crash and restart. An attacker causing continuous IGP route churn, resulting in repeated route re-resolution, will increase the likelihood of triggering this issue, leading to a potentially extended DoS condition.<br><br><p>This issue affects:</p><p>Junos OS:</p><p></p><ul><li>all versions before 21.4R3-S6,&nbsp;</li><li>from 22.1 before 22.1R3-S6,&nbsp;</li><li>from 22.2 before 22.2R3-S3,&nbsp;</li><li>from 22.3 before 22.3R3-S3,&nbsp;</li><li>from 22.4 before 22.4R3,&nbsp;</li><li>from 23.2 before 23.2R2;&nbsp;</li></ul><p></p><p>Junos OS Evolved:&nbsp;</p><p></p><ul><li>all versions before 22.3R3-S3-EVO,&nbsp;</li><li>from 22.4 before 22.4R3-EVO,&nbsp;</li><li>from 23.2 before 23.2R2-EVO.</li></ul><p></p>Versions before Junos OS 21.3R1 and Junos OS Evolved 21.3R1-EVO are unaffected by this issue.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-824", "description": "CWE-824 Access of Uninitialized Pointer"}]}], "configurations": [{"lang": "en", "value": "Systems are only vulnerable to this issue if BGP sharding is enabled. 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"33F4EEEE-77E9-4973-A770-99E7BA2F05F5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An Access of Uninitialized Pointer vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved with BGP sharding configured allows an attacker triggering indirect next-hop updates, along with timing outside the attacker's control, to cause rpd to crash and restart, leading to a Denial of Service (DoS).\n\nWith BGP sharding enabled, triggering route resolution of an indirect next-hop (e.g., an IGP route change over which a BGP route gets resolved), may cause rpd to crash and restart. An attacker causing continuous IGP route churn, resulting in repeated route re-resolution, will increase the likelihood of triggering this issue, leading to a potentially extended DoS condition.\n\nThis issue affects:\n\nJunos OS:\n\n\n\n * all versions before 21.4R3-S6,\u00a0\n * from 22.1 before 22.1R3-S6,\u00a0\n * from 22.2 before 22.2R3-S3,\u00a0\n * from 22.3 before 22.3R3-S3,\u00a0\n * from 22.4 before 22.4R3,\u00a0\n * from 23.2 before 23.2R2;\u00a0\n\n\n\n\nJunos OS Evolved:\u00a0\n\n\n\n * all versions before 22.3R3-S3-EVO,\u00a0\n * from 22.4 before 22.4R3-EVO,\u00a0\n * from 23.2 before 23.2R2-EVO.\n\n\n\n\nVersions before Junos OS 21.3R1 and Junos OS Evolved 21.3R1-EVO are unaffected by this issue."}, {"lang": "es", "value": "Una vulnerabilidad de acceso a puntero no inicializado en el demonio del protocolo de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved con BGP sharding configurado permite a un atacante que desencadena actualizaciones indirectas de next-hop, junto con una temporizaci\u00f3n fuera del control del atacante, causar que rpd falle y se reinicie, lo que lleva a una denegaci\u00f3n de servicio (DoS).\n\nCon BGP sharding habilitado, desencadenar la resoluci\u00f3n de ruta de un next-hop indirecto (por ejemplo, un cambio de ruta IGP sobre el cual se resuelve una ruta BGP), puede causar que rpd falle y se reinicie. Un atacante que causa una agitaci\u00f3n continua de rutas IGP, lo que resulta en una resoluci\u00f3n repetida de rutas, aumentar\u00e1 la probabilidad de desencadenar este problema, lo que lleva a una condici\u00f3n de DoS potencialmente extendida.\n\nEste problema afecta:\n\nJunos OS:\n\n * todas las versiones anteriores a 21.4R3-S6,\n * desde 22.1 antes de 22.1R3-S6,\n * desde 22.2 antes de 22.2R3-S3,\n * desde 22.3 antes de 22.3R3-S3,\n * desde 22.4 antes de 22.4R3,\n * desde 23.2 antes de 23.2R2;\n\nJunos OS Evolved:\n\n * todas las versiones anteriores a 22.3R3-S3-EVO,\n * desde 22.4 antes de 22.4R3-EVO,\n * desde 23.2 antes de 23.2R2-EVO.\n\nLas versiones anteriores a Junos OS 21.3R1 y Junos OS Evolved 21.3R1-EVO no se ven afectadas por este problema."}], "id": "CVE-2025-59962", "lastModified": "2026-10-18T21:10:00.120", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.0, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/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:Y/R:A/V:C/RE:M/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "source": "sirt@juniper.net", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-59962", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-09T19:04:53.957280Z", "version": "2.0.3"}}]}, "published": "2025-10-09T16:15:46.247", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA103151"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-824"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

{}

{"created": "2025-10-10T11:18:05.118958+00:00", "updated": "2025-10-10T11:18:05.118983+00:00", "vendors": ["juniper", "juniper$PRODUCT$junos_os", "juniper$PRODUCT$junos_os_evolved"]}