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                "id": "CVE-2025-21597",
                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "no"
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                    "Technical Impact": "partial"
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                "timestamp": "2025-04-10T13:12:39.304791Z",
                "version": "2.0.3"
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          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "product": "Junos OS",
          "vendor": "Juniper Networks",
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              "value": "For this issue to occur, BGP rib-sharding and update-threading needs to be configured:\u003cbr\u003e\u003cbr\u003e\u003ctt\u003e[system processes routing bgp rib-sharding]\u003cbr\u003e[\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003esystem processes routing bgp update-threading\u003c/span\u003e]\u003c/tt\u003e"
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          "value": "For this issue to occur, BGP rib-sharding and update-threading needs to be configured:\n\n[system processes routing bgp rib-sharding]\n[system processes routing bgp update-threading]"
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      "datePublic": "2025-04-09T16:00:00.000Z",
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              "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, logically adjacent BGP peer to cause Denial of Service (DoS).\u003cbr\u003e\u003cbr\u003eOn all Junos OS and Junos OS Evolved platforms, when BGP rib-sharding and update-threading are configured, and a BGP peer flap is done with specific timing, rpd crashes and restarts. Continuous peer flapping at specific time intervals will result in a sustained Denial of Service (DoS) condition.\u003cbr\u003e\u003cbr\u003eThis issue affects eBGP and iBGP, in both IPv4 and IPv6 implementations.  This issue requires a remote attacker to have at least one established BGP session. The issue can occur with or without logical-systems enabled.\u003cbr\u003e\u003cbr\u003eThis issue affects:\u003cbr\u003e\u003cp\u003eJunos OS:\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 20.4R3-S8,\u003c/li\u003e\u003cli\u003e21.2 versions before 21.2R3-S6,\u003cbr\u003e\u003c/li\u003e\u003cli\u003e21.3 versions before 21.3R3-S5,\u003c/li\u003e\u003cli\u003e21.4 versions before 21.4R3-S4,\u003c/li\u003e\u003cli\u003e22.1 versions before 22.1R3-S3,\u003c/li\u003e\u003cli\u003e22.2 versions before 22.2R3-S1,\u003c/li\u003e\u003cli\u003e22.3 versions before 22.3R3,\u003c/li\u003e\u003cli\u003e22.4 versions before 22.4R3.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003eJunos OS Evolved:\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 21.2R3-S6-EVO,\u003c/li\u003e\u003cli\u003e21.3-EVO versions before 21.3R3-S5-EVO,\u003c/li\u003e\u003cli\u003e21.4-EVO versions before 21.4R3-S4-EVO,\u003c/li\u003e\u003cli\u003e22.1-EVO versions before 22.1R3-S3-EVO,\u003c/li\u003e\u003cli\u003e22.2-EVO versions before :22.2R3-S1-EVO,\u003c/li\u003e\u003cli\u003e22.3-EVO versions before 22.3R3-EVO,\u003c/li\u003e\u003cli\u003e22.4-EVO versions before 22.4R3-EVO.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e"
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          "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, logically adjacent BGP peer to cause Denial of Service (DoS).\n\nOn all Junos OS and Junos OS Evolved platforms, when BGP rib-sharding and update-threading are configured, and a BGP peer flap is done with specific timing, rpd crashes and restarts. Continuous peer flapping at specific time intervals will result in a sustained Denial of Service (DoS) condition.\n\nThis issue affects eBGP and iBGP, in both IPv4 and IPv6 implementations.  This issue requires a remote attacker to have at least one established BGP session. The issue can occur with or without logical-systems enabled.\n\nThis issue affects:\nJunos OS:\n\n\n\n  *  All versions before 20.4R3-S8,\n  *  21.2 versions before 21.2R3-S6,\n\n  *  21.3 versions before 21.3R3-S5,\n  *  21.4 versions before 21.4R3-S4,\n  *  22.1 versions before 22.1R3-S3,\n  *  22.2 versions before 22.2R3-S1,\n  *  22.3 versions before 22.3R3,\n  *  22.4 versions before 22.4R3.\n\n\nJunos OS Evolved:\n\n\n\n  *  All versions before 21.2R3-S6-EVO,\n  *  21.3-EVO versions before 21.3R3-S5-EVO,\n  *  21.4-EVO versions before 21.4R3-S4-EVO,\n  *  22.1-EVO versions before 22.1R3-S3-EVO,\n  *  22.2-EVO versions before :22.2R3-S1-EVO,\n  *  22.3-EVO versions before 22.3R3-EVO,\n  *  22.4-EVO versions before 22.4R3-EVO."
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              "value": "\u003cp\u003eThe following software releases have been updated to resolve this specific issue:\u003c/p\u003e\u003cp\u003eJunos OS: 20.4R3-S8,\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e21.2R3-S6, 21.3R3-S5, 21.4R3-S4, 22.1R3-S3, 22.2R3-S1, 22.3R3, 22.4R3, 23.2R1\u003c/span\u003e, and all subsequent releases.\u003c/p\u003e\u003cp\u003eJunos OS Evolved: \u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e21.2R3-S6-EVO, 21.3R3-S5-EVO, 21.4R3-S4-EVO, 22.1R3-S3-EVO, 22.2R3-S1-EVO, 22.3R3-EVO, 22.4R3-EVO, 23.2R1-EVO\u003c/span\u003e, and all subsequent releases.\u003c/p\u003e"
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      "title": "Junos OS and Junos OS Evolved: When BGP rib-sharding and update-threading are configured and a peer flaps, an rpd core is observed",
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    "assignerShortName": "juniper",
    "cveId": "CVE-2025-21597",
    "datePublished": "2025-04-09T19:50:57.792Z",
    "dateReserved": "2024-12-26T14:47:11.669Z",
    "dateUpdated": "2025-04-10T13:12:47.198Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-21597\",\"sourceIdentifier\":\"sirt@juniper.net\",\"published\":\"2025-04-09T20:15:26.100\",\"lastModified\":\"2025-04-11T15:40:10.277\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An Improper Check for Unusual or Exceptional Conditions vulnerability in routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, logically adjacent BGP peer to cause Denial of Service (DoS).\\n\\nOn all Junos OS and Junos OS Evolved platforms, when BGP rib-sharding and update-threading are configured, and a BGP peer flap is done with specific timing, rpd crashes and restarts. Continuous peer flapping at specific time intervals will result in a sustained Denial of Service (DoS) condition.\\n\\nThis issue affects eBGP and iBGP, in both IPv4 and IPv6 implementations.  This issue requires a remote attacker to have at least one established BGP session. The issue can occur with or without logical-systems enabled.\\n\\nThis issue affects:\\nJunos OS:\\n\\n\\n\\n  *  All versions before 20.4R3-S8,\\n  *  21.2 versions before 21.2R3-S6,\\n\\n  *  21.3 versions before 21.3R3-S5,\\n  *  21.4 versions before 21.4R3-S4,\\n  *  22.1 versions before 22.1R3-S3,\\n  *  22.2 versions before 22.2R3-S1,\\n  *  22.3 versions before 22.3R3,\\n  *  22.4 versions before 22.4R3.\\n\\n\\nJunos OS Evolved:\\n\\n\\n\\n  *  All versions before 21.2R3-S6-EVO,\\n  *  21.3-EVO versions before 21.3R3-S5-EVO,\\n  *  21.4-EVO versions before 21.4R3-S4-EVO,\\n  *  22.1-EVO versions before 22.1R3-S3-EVO,\\n  *  22.2-EVO versions before :22.2R3-S1-EVO,\\n  *  22.3-EVO versions before 22.3R3-EVO,\\n  *  22.4-EVO versions before 22.4R3-EVO.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de Comprobaci\u00f3n Incorrecta de Condiciones Inusuales o Excepcionales en el demonio de protocolo de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite que un par BGP no autenticado y l\u00f3gicamente adyacente provoque una Denegaci\u00f3n de Servicio (DoS). En todas las plataformas Junos OS y Junos OS Evolved, cuando se configuran la fragmentaci\u00f3n de BGP y los subprocesos de actualizaci\u00f3n, y se produce una inestabilidad entre pares BGP con una temporizaci\u00f3n espec\u00edfica, el rpd se bloquea y se reinicia. La inestabilidad continua entre pares a intervalos espec\u00edficos provocar\u00e1 una Denegaci\u00f3n de Servicio (DoS) sostenida. Este problema afecta a eBGP e iBGP, tanto en implementaciones de IPv4 como de IPv6. Requiere que un atacante remoto tenga al menos una sesi\u00f3n BGP establecida. El problema puede ocurrir con o sin sistemas l\u00f3gicos habilitados. Este problema afecta a: Junos OS: * Todas las versiones anteriores a 20.4R3-S8, * Versiones 21.2 anteriores a 21.2R3-S6, * Versiones 21.3 anteriores a 21.3R3-S5, * Versiones 21.4 anteriores a 21.4R3-S4, * Versiones 22.1 anteriores a 22.1R3-S3, * Versiones 22.2 anteriores a 22.2R3-S1, * Versiones 22.3 anteriores a 22.3R3, * Versiones 22.4 anteriores a 22.4R3. Junos OS Evolved: * Todas las versiones anteriores a 21.2R3-S6-EVO, * Versiones 21.3-EVO anteriores a 21.3R3-S5-EVO, * Versiones 21.4-EVO anteriores a 21.4R3-S4-EVO, * Versiones 22.1-EVO anteriores a 22.1R3-S3-EVO, * Versiones 22.2-EVO anteriores a 22.2R3-S1-EVO, * Versiones 22.3-EVO anteriores a 22.3R3-EVO, * Versiones 22.4-EVO anteriores a 22.4R3-EVO.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"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:X/R:A/V:X/RE:X/U:X\",\"baseScore\":6.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"PRESENT\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"LOW\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"AUTOMATIC\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-754\"}]}],\"references\":[{\"url\":\"https://kb.juniper.net/JSA96451\",\"source\":\"sirt@juniper.net\"}]}}"
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