{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-21599","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","state":"PUBLISHED","assignerShortName":"juniper","dateReserved":"2024-12-26T14:47:11.669Z","datePublished":"2025-01-09T16:46:57.412Z","dateUpdated":"2025-01-09T19:22:22.119Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"22.4R3-S5-EVO","status":"affected","version":"22.4-EVO","versionType":"semver"},{"lessThan":"23.2R2-S2-EVO","status":"affected","version":"23.2-EVO","versionType":"semver"},{"lessThan":"23.4R2-S2-EVO","status":"affected","version":"23.4-EVO","versionType":"semver"},{"lessThan":"24.2R1-S2-EVO, 24.2R2-EVO","status":"affected","version":"24.2-EVO","versionType":"semver"}]}],"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"To be exposed to this vulnerability a device needs to be configured with a minimal IPv6 configuration like in the following example:<br><br>&nbsp; [ interfaces &lt;interface&gt; unit &lt;unit number&gt; family inet6 ]<br>"}],"value":"To be exposed to this vulnerability a device needs to be configured with a minimal IPv6 configuration like in the following example:\n\n  [ interfaces <interface> unit <unit number> family inet6 ]"}],"datePublic":"2025-01-08T17:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">A&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">Missing Release of Memory after Effective Lifetime vulnerability</span> in the Juniper Tunnel Driver (jtd) of Juniper Networks Junos OS Evolved allows an unauthenticated network-based attacker to cause Denial of Service.&nbsp;<br><br>Receipt of specifically malformed IPv6 packets, destined to the device, causes kernel memory to not be freed, resulting in memory exhaustion leading to a system crash and Denial of Service (DoS).&nbsp;Continuous receipt and processing of these packets will continue to exhaust kernel memory, creating a sustained Denial of Service (DoS) condition.<br></span><p>This issue only affects systems configured with IPv6.</p><p>This issue affects Junos OS Evolved:&nbsp;</p><p></p><ul><li>from 22.4-EVO before 22.4R3-S5-EVO,&nbsp;</li><li>from 23.2-EVO before 23.2R2-S2-EVO,&nbsp;</li><li>from 23.4-EVO before 23.4R2-S2-EVO,&nbsp;</li><li>from 24.2-EVO before 24.2R1-S2-EVO, 24.2R2-EVO.</li></ul><p></p>This issue does not affect Juniper Networks Junos OS Evolved versions prior to 22.4R1-EVO.<br>"}],"value":"A Missing Release of Memory after Effective Lifetime vulnerability in the Juniper Tunnel Driver (jtd) of Juniper Networks Junos OS Evolved allows an unauthenticated network-based attacker to cause Denial of Service. \n\nReceipt of specifically malformed IPv6 packets, destined to the device, causes kernel memory to not be freed, resulting in memory exhaustion leading to a system crash and Denial of Service (DoS). Continuous receipt and processing of these packets will continue to exhaust kernel memory, creating a sustained Denial of Service (DoS) condition.\nThis issue only affects systems configured with IPv6.\n\nThis issue affects Junos OS Evolved: \n\n\n\n  *  from 22.4-EVO before 22.4R3-S5-EVO, \n  *  from 23.2-EVO before 23.2R2-S2-EVO, \n  *  from 23.4-EVO before 23.4R2-S2-EVO, \n  *  from 24.2-EVO before 24.2R1-S2-EVO, 24.2R2-EVO.\n\n\n\n\nThis issue does not affect Juniper Networks Junos OS Evolved versions prior to 22.4R1-EVO."}],"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."}],"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"}]},{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","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:N/VA:H/SC:N/SI:N/SA:L","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","description":"CWE-401 Missing Release of Memory after Effective Lifetime","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper","dateUpdated":"2025-01-09T16:46:57.412Z"},"references":[{"tags":["vendor-advisory"],"url":"https://supportportal.juniper.net/JSA92869"}],"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: 22.4R3-S5-EVO, 23.2R2-S2-EVO, 23.4R2-S2-EVO, 24.2R1-S2-EVO, 24.2R2-EVO*, 24.4R1-EVO, and all subsequent releases.<br><br>* Future Release<br><br><br>"}],"value":"The following software releases have been updated to resolve this specific issue: \n\nJunos OS Evolved: 22.4R3-S5-EVO, 23.2R2-S2-EVO, 23.4R2-S2-EVO, 24.2R1-S2-EVO, 24.2R2-EVO*, 24.4R1-EVO, and all subsequent releases.\n\n* Future Release"}],"source":{"advisory":"JSA92869","defect":["1821515"],"discovery":"INTERNAL"},"title":"Junos OS Evolved: Receipt of specifically malformed IPv6 packets causes kernel memory exhaustion leading to Denial of Service","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"There are no known workarounds for this issue."}],"value":"There are no known workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-01-09T19:10:50.746646Z","id":"CVE-2025-21599","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-01-09T19:22:22.119Z"}}]}}