{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-21602","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","state":"PUBLISHED","assignerShortName":"juniper","dateReserved":"2023-12-27T19:38:25.707Z","datePublished":"2024-01-12T00:54:08.862Z","dateUpdated":"2025-06-17T21:09:19.515Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["ACX7024","ACX7100-32C","ACX7100-48L"],"product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"21.4R3-S6-EVO","status":"affected","version":"21.4-EVO","versionType":"semver"},{"lessThan":"22.1R3-S5-EVO","status":"affected","version":"22.1-EVO","versionType":"semver"},{"lessThan":"22.2R2-S1-EVO, 22.2R3-EVO","status":"affected","version":"22.2-EVO","versionType":"semver"},{"lessThan":"22.3R2-EVO","status":"affected","version":"22.3-EVO","versionType":"semver"}]}],"datePublic":"2024-01-10T17:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"\n\n<p>A NULL Pointer Dereference vulnerability in Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).</p><p>If a specific IPv4 UDP packet is received and sent to the Routing Engine (RE) packetio crashes and restarts which causes a momentary traffic interruption. Continued receipt of such packets will lead to a sustained DoS.</p><p>This issue does not happen with IPv6 packets.</p><p>This issue affects Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L:</p><p></p><ul><li>21.4-EVO versions earlier than 21.4R3-S6-EVO;</li><li>22.1-EVO versions earlier than 22.1R3-S5-EVO;</li><li>22.2-EVO versions earlier than 22.2R2-S1-EVO, 22.2R3-EVO;</li><li>22.3-EVO versions earlier than 22.3R2-EVO.</li></ul><p></p><p>This issue does not affect Juniper Networks Junos OS Evolved versions earlier than 21.4R1-EVO.</p>\n\n"}],"value":"\nA NULL Pointer Dereference vulnerability in Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nIf a specific IPv4 UDP packet is received and sent to the Routing Engine (RE) packetio crashes and restarts which causes a momentary traffic interruption. Continued receipt of such packets will lead to a sustained DoS.\n\nThis issue does not happen with IPv6 packets.\n\nThis issue affects Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L:\n\n\n\n  *  21.4-EVO versions earlier than 21.4R3-S6-EVO;\n  *  22.1-EVO versions earlier than 22.1R3-S5-EVO;\n  *  22.2-EVO versions earlier than 22.2R2-S1-EVO, 22.2R3-EVO;\n  *  22.3-EVO versions earlier than 22.3R2-EVO.\n\n\n\n\nThis issue does not affect Juniper Networks Junos OS Evolved versions earlier than 21.4R1-EVO.\n\n\n\n"}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Juniper SIRT is not aware of any malicious exploitation of this vulnerability.</p>"}],"value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n\n"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","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:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference","lang":"en","type":"CWE"}]},{"descriptions":[{"description":"Denial of Service (DoS)","lang":"en"}]}],"providerMetadata":{"orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper","dateUpdated":"2024-01-12T00:54:08.862Z"},"references":[{"tags":["vendor-advisory"],"url":"https://supportportal.juniper.net/JSA75743"},{"tags":["technical-description"],"url":"https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>The following software releases have been updated to resolve this specific issue: 21.4R3-S6-EVO, 22.1R3-S5-EVO, 22.2R2-S1-EVO, 22.2R3-EVO, 22.3R2-EVO, 22.4R1-EVO, and all subsequent releases.</p>"}],"value":"The following software releases have been updated to resolve this specific issue: 21.4R3-S6-EVO, 22.1R3-S5-EVO, 22.2R2-S1-EVO, 22.2R3-EVO, 22.3R2-EVO, 22.4R1-EVO, and all subsequent releases.\n\n"}],"source":{"advisory":"JSA75743","defect":["1690815"],"discovery":"USER"},"timeline":[{"lang":"en","time":"2024-01-10T17:00:00.000Z","value":"Initial Publication"}],"title":"Junos OS Evolved: ACX7024, ACX7100-32C and ACX7100-48L: Traffic stops when a specific IPv4 UDP packet is received by the RE","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>There are no known workarounds for this issue.</p>"}],"value":"There are no known workarounds for this issue.\n\n"}],"x_generator":{"engine":"Vulnogram 0.1.0-av217"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-01T22:27:35.715Z"},"title":"CVE Program Container","references":[{"tags":["vendor-advisory","x_transferred"],"url":"https://supportportal.juniper.net/JSA75743"},{"tags":["technical-description","x_transferred"],"url":"https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L"}]},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-21602","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-01-12T15:42:43.703668Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-06-17T21:09:19.515Z"}}]}}