{"id":"CVE-2024-47489","state":"PUBLISHED","title":"Junos OS Evolved: ACX Series: Receipt of specific transit protocol packets is incorrectly processed by the RE","description":"An Improper Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of the Juniper Networks Junos OS Evolved on ACX Series devices allows an unauthenticated, network based attacker sending specific transit protocol traffic to cause a partial Denial of Service (DoS) to downstream devices.\n\nReceipt of specific transit protocol packets is incorrectly processed by the Routing Engine (RE), filling up the DDoS protection queue which is shared between routing protocols. This influx of transit protocol packets causes DDoS protection violations, resulting in protocol flaps which can affect connectivity to networking devices.\n\nThis issue affects both IPv4 and IPv6. This issue does not require any specific routing protocol to be configured or enabled.\n\nThe following commands can be used to monitor the DDoS protection queue:\n\n       labuser@re0> show evo-pfemand host pkt-stats\n\n    labuser@re0> show host-path ddos all-policers\n\nThis issue affects Junos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S8-EVO, \n  *  from 22.2 before 22.2R3-S4-EVO, \n  *  from 22.3 before 22.3R3-S4-EVO, \n  *  from 22.4 before 22.4R3-S3-EVO, \n  *  from 23.2 before 23.2R2-EVO, \n  *  from 23.4 before 23.4R1-S1-EVO, 23.4R2-EVO, \n  *  from 24.2 before 24.2R2-EVO.","publishedAt":"2024-10-11T15:22:00.413Z","updatedAt":"2024-10-11T18:00:33.801Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:L/R:A","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS Evolved"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.4R3-S8-EVO","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S4-EVO","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R3-S4-EVO","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3-S3-EVO","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2-EVO","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4R1-S1-EVO, 23.4R2-EVO","versionType":"semver"},{"version":"24.2","status":"affected","lessThan":"24.2R2-EVO","versionType":"semver"}]}],"references":["https://supportportal.juniper.net/"],"weaknesses":["CWE-755"],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/47xxx/CVE-2024-47489.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-47489","state":"PUBLISHED","datePublished":"2024-10-11T15:22:00.413Z","dateUpdated":"2024-10-11T18:00:33.801Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2024-09-25T15:26:52.608Z"},"containers":{"cna":{"title":"Junos OS Evolved: ACX Series: Receipt of specific transit protocol packets is incorrectly processed by the RE","descriptions":[{"lang":"en","value":"An Improper Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of the Juniper Networks Junos OS Evolved on ACX Series devices allows an unauthenticated, network based attacker sending specific transit protocol traffic to cause a partial Denial of Service (DoS) to downstream devices.\n\nReceipt of specific transit protocol packets is incorrectly processed by the Routing Engine (RE), filling up the DDoS protection queue which is shared between routing protocols. This influx of transit protocol packets causes DDoS protection violations, resulting in protocol flaps which can affect connectivity to networking devices.\n\nThis issue affects both IPv4 and IPv6. This issue does not require any specific routing protocol to be configured or enabled.\n\nThe following commands can be used to monitor the DDoS protection queue:\n\n       labuser@re0> show evo-pfemand host pkt-stats\n\n    labuser@re0> show host-path ddos all-policers\n\nThis issue affects Junos OS Evolved: \n\n\n\n  *  All versions before 21.4R3-S8-EVO, \n  *  from 22.2 before 22.2R3-S4-EVO, \n  *  from 22.3 before 22.3R3-S4-EVO, \n  *  from 22.4 before 22.4R3-S3-EVO, \n  *  from 23.2 before 23.2R2-EVO, \n  *  from 23.4 before 23.4R1-S1-EVO, 23.4R2-EVO, \n  *  from 24.2 before 24.2R2-EVO."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.4R3-S8-EVO","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S4-EVO","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R3-S4-EVO","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3-S3-EVO","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2-EVO","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4R1-S1-EVO, 23.4R2-EVO","versionType":"semver"},{"version":"24.2","status":"affected","lessThan":"24.2R2-EVO","versionType":"semver"}]}],"references":[{"url":"https://supportportal.juniper.net/","tags":["vendor-advisory"]}],"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"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"AUTOMATIC","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:L/R:A","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-755","description":"CWE-755 Improper Handling of Exceptional Conditions","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"juniper","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateUpdated":"2024-10-11T15:22:00.413Z"},"datePublic":"2024-10-09T16:00:00.000Z","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."}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The following software releases have been updated to resolve this specific issue: <br><br>Junos OS Evolved: 21.4R3-S8-EVO, 22.2R3-S4-EVO, 22.3R3-S4-EVO*, 22.4R3-S3-EVO, 23.2R2-EVO, 23.4R1-S1-EVO, 23.4R2-EVO, 24.2R2-EVO*, 24.4R1-EVO*, and all subsequent releases.<br><br>* Future Release"}],"value":"The following software releases have been updated to resolve this specific issue: \n\nJunos OS Evolved: 21.4R3-S8-EVO, 22.2R3-S4-EVO, 22.3R3-S4-EVO*, 22.4R3-S3-EVO, 23.2R2-EVO, 23.4R1-S1-EVO, 23.4R2-EVO, 24.2R2-EVO*, 24.4R1-EVO*, and all subsequent releases.\n\n* Future Release"}],"source":{"advisory":"JSA88111","defect":["1784773"],"discovery":"USER"},"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">There are no known workarounds for this issue.</span><br>"}],"value":"There are no known workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"juniper","product":"junos_evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.4r3-s8-evo","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2r3-s4-evo","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3r3-s4-evo","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4r3-s3-evo","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2r2-evo","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4r1-s1-evo","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4r2-evo","versionType":"semver"}],"cpes":["cpe:2.3:o:juniper:junos_evolved:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-10-11T17:57:54.121950Z","id":"CVE-2024-47489","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-11T18:00:33.801Z"}}]}}}