CVE-2020-1665

{"containers": {"cna": {"affected": [{"platforms": ["MX series/EX9200 Series"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "17.2R3-S4", "status": "affected", "version": "17.2", "versionType": "custom"}, {"lessThan": "17.2X75-D102, 17.2X75-D110", "status": "affected", "version": "17.2X75", "versionType": "custom"}, {"lessThan": "17.3R3-S8", "status": "affected", "version": "17.3", "versionType": "custom"}, {"lessThan": "17.4R2-S11, 17.4R3-S2", "status": "affected", "version": "17.4", "versionType": "custom"}, {"lessThan": "18.2R2-S7, 18.2R3, 18.2R3-S3", "status": "affected", "version": "18.2", "versionType": "custom"}, {"lessThan": "18.2X75-D30", "status": "affected", "version": "18.2X75", "versionType": "custom"}, {"lessThan": "18.3R2-S4, 18.3R3-S2", "status": "affected", "version": "18.3", "versionType": "custom"}]}], "configurations": [{"lang": "en", "value": "The DDoS feature is enabled by default, there is no specific config stanza required to enable DDoS protection, however it can be manually disabled.\n\nTo check if DDOS protection is enabled, the administrator can issue the following command: \n user@host> show ddos-protection statistics\n DDOS protection global statistics:\n Policing on routing engine: Yes\n Policing on FPC: Yes"}], "datePublic": "2020-10-14T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "On Juniper Networks MX Series and EX9200 Series, in a certain condition the IPv6 Distributed Denial of Service (DDoS) protection might not take affect when it reaches the threshold condition. The DDoS protection allows the device to continue to function while it is under DDoS attack, protecting both the Routing Engine (RE) and the Flexible PIC Concentrator (FPC) during the DDoS attack. When this issue occurs, the RE and/or the FPC can become overwhelmed, which could disrupt network protocol operations and/or interrupt traffic. This issue does not affect IPv4 DDoS protection. This issue affects MX Series and EX9200 Series with Trio-based PFEs (Packet Forwarding Engines). Please refer to https://kb.juniper.net/KB25385 for the list of Trio-based PFEs. This issue affects Juniper Networks Junos OS on MX series and EX9200 Series: 17.2 versions prior to 17.2R3-S4; 17.2X75 versions prior to 17.2X75-D102, 17.2X75-D110; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.2 versions prior to 18.2R2-S7, 18.2R3, 18.2R3-S3; 18.2X75 versions prior to 18.2X75-D30; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2."}], "exploits": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-794", "description": "CWE-794: Incomplete Filtering of Multiple Instances of Special Elements", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-10-16T20:31:27.000Z", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://kb.juniper.net/JSA11062"}, {"tags": ["x_refsource_MISC"], "url": "https://kb.juniper.net/KB25385"}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: Junos OS 17.2R3-S4, 17.2X75-D102, 17.2X75-D110, 17.3R3-S8, 17.4R2-S11, 17.4R3-S2, 18.2R2-S7, 18.2R3, 18.2R3-S3, 18.2X75-D30, 18.3R2-S4, 18.3R3-S2, 18.4R1, and all subsequent releases."}], "source": {"advisory": "JSA11062", "defect": ["1377899"], "discovery": "INTERNAL"}, "title": "Junos OS: MX series/EX9200 Series: IPv6 DDoS protection does not work as expected.", "workarounds": [{"lang": "en", "value": "There are no viable workarounds for this issue."}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2020-10-14T16:00:00.000Z", "ID": "CVE-2020-1665", "STATE": "PUBLIC", "TITLE": "Junos OS: MX series/EX9200 Series: IPv6 DDoS protection does not work as expected."}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Junos OS", "version": {"version_data": [{"platform": "MX series/EX9200 Series", "version_affected": "<", "version_name": "17.2", "version_value": "17.2R3-S4"}, {"platform": "MX series/EX9200 Series", "version_affected": "<", "version_name": "17.2X75", "version_value": "17.2X75-D102, 17.2X75-D110"}, {"platform": "MX series/EX9200 Series", "version_affected": "<", "version_name": "17.3", "version_value": "17.3R3-S8"}, {"platform": "MX series/EX9200 Series", "version_affected": "<", "version_name": "17.4", "version_value": "17.4R2-S11, 17.4R3-S2"}, {"platform": "MX series/EX9200 Series", "version_affected": "<", "version_name": "18.2", "version_value": "18.2R2-S7, 18.2R3, 18.2R3-S3"}, {"platform": "MX series/EX9200 Series", "version_affected": "<", "version_name": "18.2X75", "version_value": "18.2X75-D30"}, {"platform": "MX series/EX9200 Series", "version_affected": "<", "version_name": "18.3", "version_value": "18.3R2-S4, 18.3R3-S2"}]}}]}, "vendor_name": "Juniper Networks"}]}}, "configuration": [{"lang": "en", "value": "The DDoS feature is enabled by default, there is no specific config stanza required to enable DDoS protection, however it can be manually disabled.\n\nTo check if DDOS protection is enabled, the administrator can issue the following command: \n user@host> show ddos-protection statistics\n DDOS protection global statistics:\n Policing on routing engine: Yes\n Policing on FPC: Yes"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "On Juniper Networks MX Series and EX9200 Series, in a certain condition the IPv6 Distributed Denial of Service (DDoS) protection might not take affect when it reaches the threshold condition. The DDoS protection allows the device to continue to function while it is under DDoS attack, protecting both the Routing Engine (RE) and the Flexible PIC Concentrator (FPC) during the DDoS attack. When this issue occurs, the RE and/or the FPC can become overwhelmed, which could disrupt network protocol operations and/or interrupt traffic. This issue does not affect IPv4 DDoS protection. This issue affects MX Series and EX9200 Series with Trio-based PFEs (Packet Forwarding Engines). Please refer to https://kb.juniper.net/KB25385 for the list of Trio-based PFEs. This issue affects Juniper Networks Junos OS on MX series and EX9200 Series: 17.2 versions prior to 17.2R3-S4; 17.2X75 versions prior to 17.2X75-D102, 17.2X75-D110; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.2 versions prior to 18.2R2-S7, 18.2R3, 18.2R3-S3; 18.2X75 versions prior to 18.2X75-D30; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2."}]}, "exploit": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-794: Incomplete Filtering of Multiple Instances of Special Elements"}]}]}, "references": {"reference_data": [{"name": "https://kb.juniper.net/JSA11062", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA11062"}, {"name": "https://kb.juniper.net/KB25385", "refsource": "MISC", "url": "https://kb.juniper.net/KB25385"}]}, "solution": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: Junos OS 17.2R3-S4, 17.2X75-D102, 17.2X75-D110, 17.3R3-S8, 17.4R2-S11, 17.4R3-S2, 18.2R2-S7, 18.2R3, 18.2R3-S3, 18.2X75-D30, 18.3R2-S4, 18.3R3-S2, 18.4R1, and all subsequent releases."}], "source": {"advisory": "JSA11062", "defect": ["1377899"], "discovery": "INTERNAL"}, "work_around": [{"lang": "en", "value": "There are no viable workarounds for this issue."}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:46:30.307Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://kb.juniper.net/JSA11062"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://kb.juniper.net/KB25385"}]}]}, "cveMetadata": {"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2020-1665", "datePublished": "2020-10-16T20:31:27.772Z", "dateReserved": "2019-11-04T00:00:00.000Z", "dateUpdated": "2024-09-16T18:29:50.528Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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The DDoS protection allows the device to continue to function while it is under DDoS attack, protecting both the Routing Engine (RE) and the Flexible PIC Concentrator (FPC) during the DDoS attack. When this issue occurs, the RE and/or the FPC can become overwhelmed, which could disrupt network protocol operations and/or interrupt traffic. This issue does not affect IPv4 DDoS protection. This issue affects MX Series and EX9200 Series with Trio-based PFEs (Packet Forwarding Engines). Please refer to https://kb.juniper.net/KB25385 for the list of Trio-based PFEs. This issue affects Juniper Networks Junos OS on MX series and EX9200 Series: 17.2 versions prior to 17.2R3-S4; 17.2X75 versions prior to 17.2X75-D102, 17.2X75-D110; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.2 versions prior to 18.2R2-S7, 18.2R3, 18.2R3-S3; 18.2X75 versions prior to 18.2X75-D30; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2."}, {"lang": "es", "value": "En Juniper Networks MX Series y EX9200 Series, en determinadas condiciones, es posible que la protecci\u00f3n de Distributed Denial of Service (DDoS) IPv6 no surta efecto cuando alcanza la condici\u00f3n de umbral.&#xa0;La protecci\u00f3n DDoS permite que el dispositivo contin\u00fae funcionando mientras est\u00e1 bajo ataque DDoS, protegiendo tanto el Routing Engine (RE) como el Flexible PIC Concentrator (FPC) durante el ataque DDoS.&#xa0;Cuando ocurre este problema, el RE y/o el FPC pueden verse abrumados, lo que podr\u00eda interrumpir las operaciones del protocolo de red y/o interrumpir el tr\u00e1fico.&#xa0;Este problema no afecta la protecci\u00f3n de DDoS IPv4.&#xa0;Este problema afecta MX Series y EX9200 Series con los PFE basados ??en Trio (Packet Forwarding Engines).&#xa0;Consulte https://kb.juniper.net/KB25385 para visualizar la lista de PFE basados ??en Trio.&#xa0;Este problema afecta a Juniper Networks Junos OS en las series MX y EX9200: versiones 17.&#xa0;2 anteriores a 17.2R3-S4;&#xa0;versiones 17.2X75 anteriores a 17.2X75-D102, 17.2X75-D110;&#xa0;versiones 17.3 anteriores a 17.3R3-S8;&#xa0;versiones 17.4 anteriores a 17.4R2-S11, 17.4R3-S2;&#xa0;versiones 18.2 anteriores a 18.2R2-S7, 18.2R3, 18.2R3-S3;&#xa0;versiones 18.2X75 anteriores a 18.2X75-D30;&#xa0;versiones 18.3 anteriores a 18.3R2-S4, 18.3R3-S2"}], "id": "CVE-2020-1665", "lastModified": "2026-06-17T03:02:09.177", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2020-10-16T21:15:12.597", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11062"}, {"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/KB25385"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11062"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/KB25385"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-794"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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