{"containers":{"cna":{"affected":[{"platforms":["MX Series"],"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"17.3R3-S10","status":"affected","version":"17.3","versionType":"custom"},{"lessThan":"17.4R3-S3","status":"affected","version":"17.4","versionType":"custom"},{"lessThan":"18.1R3-S11","status":"affected","version":"18.1","versionType":"custom"},{"lessThan":"18.2R3-S6","status":"affected","version":"18.2","versionType":"custom"},{"lessThan":"18.3R3-S4","status":"affected","version":"18.3","versionType":"custom"},{"lessThan":"18.4R3-S6","status":"affected","version":"18.4","versionType":"custom"},{"lessThan":"19.1R2-S2, 19.1R3-S3","status":"affected","version":"19.1","versionType":"custom"},{"lessThan":"19.2R3-S1","status":"affected","version":"19.2","versionType":"custom"},{"lessThan":"19.3R2-S5, 19.3R3-S1","status":"affected","version":"19.3","versionType":"custom"},{"lessThan":"19.4R3","status":"affected","version":"19.4","versionType":"custom"},{"lessThan":"20.1R2","status":"affected","version":"20.1","versionType":"custom"},{"lessThan":"20.2R2","status":"affected","version":"20.2","versionType":"custom"}]}],"configurations":[{"lang":"en","value":"The example of the configuration stanza affected by this issue is as follows:\n  [services ids]"}],"datePublic":"2021-01-13T00:00:00.000Z","descriptions":[{"lang":"en","value":"When the \"Intrusion Detection Service\" (IDS) feature is configured on Juniper Networks MX series with a dynamic firewall filter using IPv6 source or destination prefix, it may incorrectly match the prefix as /32, causing the filter to block unexpected traffic. This issue affects only IPv6 prefixes when used as source and destination. This issue affects MX Series devices using MS-MPC, MS-MIC or MS-SPC3 service cards with IDS service configured. This issue affects: Juniper Networks Junos OS 17.3 versions prior to 17.3R3-S10 on MX Series; 17.4 versions prior to 17.4R3-S3 on MX Series; 18.1 versions prior to 18.1R3-S11 on MX Series; 18.2 versions prior to 18.2R3-S6 on MX Series; 18.3 versions prior to 18.3R3-S4 on MX Series; 18.4 versions prior to 18.4R3-S6 on MX Series; 19.1 versions prior to 19.1R2-S2, 19.1R3-S3 on MX Series; 19.2 versions prior to 19.2R3-S1 on MX Series; 19.3 versions prior to 19.3R2-S5, 19.3R3-S1 on MX Series; 19.4 versions prior to 19.4R3 on MX Series; 20.1 versions prior to 20.1R2 on MX Series; 20.2 versions prior to 20.2R2 on MX Series;"}],"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":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","description":"CWE-284 Improper Access Control","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-01-15T17:35:53.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://kb.juniper.net/JSA11095"}],"solutions":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 17.3R3-S10, 17.4R3-S3, 18.1R3-S11, 18.2R3-S6, 18.3R3-S4, 18.4R3-S6, 19.1R2-S2, 19.1R3-S3, 19.2R3-S1, 19.3R2-S5, 19.3R3-S1, 19.4R3, 20.1R2, 20.2R2, 20.3R1 and all subsequent releases."}],"source":{"advisory":"JSA11095","defect":["1536100"],"discovery":"USER"},"title":"Junos OS: MX Series: Dynamic filter fails to match IPv6 prefix","workarounds":[{"lang":"en","value":"IDS configuration can be disabled."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"sirt@juniper.net","DATE_PUBLIC":"2021-01-13T17:00:00.000Z","ID":"CVE-2021-0205","STATE":"PUBLIC","TITLE":"Junos OS: MX Series: Dynamic filter fails to match IPv6 prefix"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"platform":"MX Series","version_affected":"<","version_name":"17.3","version_value":"17.3R3-S10"},{"platform":"MX Series","version_affected":"<","version_name":"17.4","version_value":"17.4R3-S3"},{"platform":"MX Series","version_affected":"<","version_name":"18.1","version_value":"18.1R3-S11"},{"platform":"MX Series","version_affected":"<","version_name":"18.2","version_value":"18.2R3-S6"},{"platform":"MX Series","version_affected":"<","version_name":"18.3","version_value":"18.3R3-S4"},{"platform":"MX Series","version_affected":"<","version_name":"18.4","version_value":"18.4R3-S6"},{"platform":"MX Series","version_affected":"<","version_name":"19.1","version_value":"19.1R2-S2, 19.1R3-S3"},{"platform":"MX Series","version_affected":"<","version_name":"19.2","version_value":"19.2R3-S1"},{"platform":"MX Series","version_affected":"<","version_name":"19.3","version_value":"19.3R2-S5, 19.3R3-S1"},{"platform":"MX Series","version_affected":"<","version_name":"19.4","version_value":"19.4R3"},{"platform":"MX Series","version_affected":"<","version_name":"20.1","version_value":"20.1R2"},{"platform":"MX Series","version_affected":"<","version_name":"20.2","version_value":"20.2R2"}]}}]},"vendor_name":"Juniper Networks"}]}},"configuration":[{"lang":"en","value":"The example of the configuration stanza affected by this issue is as follows:\n  [services ids]"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"When the \"Intrusion Detection Service\" (IDS) feature is configured on Juniper Networks MX series with a dynamic firewall filter using IPv6 source or destination prefix, it may incorrectly match the prefix as /32, causing the filter to block unexpected traffic. This issue affects only IPv6 prefixes when used as source and destination. This issue affects MX Series devices using MS-MPC, MS-MIC or MS-SPC3 service cards with IDS service configured. This issue affects: Juniper Networks Junos OS 17.3 versions prior to 17.3R3-S10 on MX Series; 17.4 versions prior to 17.4R3-S3 on MX Series; 18.1 versions prior to 18.1R3-S11 on MX Series; 18.2 versions prior to 18.2R3-S6 on MX Series; 18.3 versions prior to 18.3R3-S4 on MX Series; 18.4 versions prior to 18.4R3-S6 on MX Series; 19.1 versions prior to 19.1R2-S2, 19.1R3-S3 on MX Series; 19.2 versions prior to 19.2R3-S1 on MX Series; 19.3 versions prior to 19.3R2-S5, 19.3R3-S1 on MX Series; 19.4 versions prior to 19.4R3 on MX Series; 20.1 versions prior to 20.1R2 on MX Series; 20.2 versions prior to 20.2R2 on MX Series;"}]},"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":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-284 Improper Access Control"}]}]},"references":{"reference_data":[{"name":"https://kb.juniper.net/JSA11095","refsource":"CONFIRM","url":"https://kb.juniper.net/JSA11095"}]},"solution":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 17.3R3-S10, 17.4R3-S3, 18.1R3-S11, 18.2R3-S6, 18.3R3-S4, 18.4R3-S6, 19.1R2-S2, 19.1R3-S3, 19.2R3-S1, 19.3R2-S5, 19.3R3-S1, 19.4R3, 20.1R2, 20.2R2, 20.3R1 and all subsequent releases."}],"source":{"advisory":"JSA11095","defect":["1536100"],"discovery":"USER"},"work_around":[{"lang":"en","value":"IDS configuration can be disabled."}]}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T15:32:10.287Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://kb.juniper.net/JSA11095"}]}]},"cveMetadata":{"assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","assignerShortName":"juniper","cveId":"CVE-2021-0205","datePublished":"2021-01-15T17:35:53.539Z","dateReserved":"2020-10-27T00:00:00.000Z","dateUpdated":"2024-09-16T17:28:25.455Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}