{ "containers": { "cna": { "affected": [ { "product": "Junos OS Evolved", "vendor": "Juniper Networks", "versions": [ { "lessThan": "19.4R2-S3-EVO", "status": "affected", "version": "19.4-EVO", "versionType": "custom" }, { "lessThan": "20.1R2-S3-EVO", "status": "affected", "version": "20.1-EVO", "versionType": "custom" }, { "lessThan": "20.2R2-S1-EVO", "status": "affected", "version": "20.2-EVO", "versionType": "custom" }, { "lessThan": "20.3R2-EVO", "status": "affected", "version": "20.3-EVO", "versionType": "custom" } ] } ], "datePublic": "2021-04-14T00:00:00", "descriptions": [ { "lang": "en", "value": "On Juniper Networks Junos OS Evolved devices, receipt of a specific IPv6 packet may cause an established IPv6 BGP session to terminate, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue does not affect IPv4 BGP sessions. This issue affects IBGP or EBGP peer sessions with IPv6. This issue affects: Juniper Networks Junos OS Evolved: 19.4 versions prior to 19.4R2-S3-EVO; 20.1 versions prior to 20.1R2-S3-EVO; 20.2 versions prior to 20.2R2-S1-EVO; 20.3 versions prior to 20.3R2-EVO. This issue does not affect Juniper Networks Junos OS releases." } ], "exploits": [ { "lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "description": "Denial of Service (DoS)", "lang": "en", "type": "text" } ] }, { "descriptions": [ { "cweId": "CWE-665", "description": "CWE-665: Improper Initialization", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-04-22T19:36:56", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://kb.juniper.net/JSA11121" } ], "solutions": [ { "lang": "en", "value": "The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 19.4R2-S3-EVO, 20.1R2-S3-EVO, 20.2R2-S1-EVO, 20.3R2-EVO, 20.4R1-EVO, and all subsequent releases." } ], "source": { "advisory": "JSA11121", "defect": [ "1544978" ], "discovery": "USER" }, "title": "Junos OS Evolved: The IPv6 BGP session will flap due to receipt of a specific IPv6 packet", "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": "2021-04-14T16:00:00.000Z", "ID": "CVE-2021-0226", "STATE": "PUBLIC", "TITLE": "Junos OS Evolved: The IPv6 BGP session will flap due to receipt of a specific IPv6 packet" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Junos OS Evolved", "version": { "version_data": [ { "version_affected": "<", "version_name": "19.4-EVO", "version_value": "19.4R2-S3-EVO" }, { "version_affected": "<", "version_name": "20.1-EVO", "version_value": "20.1R2-S3-EVO" }, { "version_affected": "<", "version_name": "20.2-EVO", "version_value": "20.2R2-S1-EVO" }, { "version_affected": "<", "version_name": "20.3-EVO", "version_value": "20.3R2-EVO" } ] } } ] }, "vendor_name": "Juniper Networks" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "On Juniper Networks Junos OS Evolved devices, receipt of a specific IPv6 packet may cause an established IPv6 BGP session to terminate, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue does not affect IPv4 BGP sessions. This issue affects IBGP or EBGP peer sessions with IPv6. This issue affects: Juniper Networks Junos OS Evolved: 19.4 versions prior to 19.4R2-S3-EVO; 20.1 versions prior to 20.1R2-S3-EVO; 20.2 versions prior to 20.2R2-S1-EVO; 20.3 versions prior to 20.3R2-EVO. This issue does not affect Juniper Networks Junos OS releases." } ] }, "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": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Denial of Service (DoS)" } ] }, { "description": [ { "lang": "eng", "value": "CWE-665: Improper Initialization" } ] } ] }, "references": { "reference_data": [ { "name": "https://kb.juniper.net/JSA11121", "refsource": "MISC", "url": "https://kb.juniper.net/JSA11121" } ] }, "solution": [ { "lang": "en", "value": "The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 19.4R2-S3-EVO, 20.1R2-S3-EVO, 20.2R2-S1-EVO, 20.3R2-EVO, 20.4R1-EVO, and all subsequent releases." } ], "source": { "advisory": "JSA11121", "defect": [ "1544978" ], "discovery": "USER" }, "work_around": [ { "lang": "en", "value": "There are no viable workarounds for this issue." } ] } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T15:32:10.081Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://kb.juniper.net/JSA11121" } ] } ] }, "cveMetadata": { "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2021-0226", "datePublished": "2021-04-22T19:36:56.622655Z", "dateReserved": "2020-10-27T00:00:00", "dateUpdated": "2024-09-17T00:11:39.685Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }