{"id":"CVE-2025-52964","state":"PUBLISHED","title":"Junos OS and Junos OS Evolved: Receipt of a specific BGP UPDATE causes an rpd crash on devices with BGP multipath configured","description":"A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen the device receives a specific BGP UPDATE packet, the rpd crashes and restarts. Continuous receipt of this specific packet will cause a sustained DoS condition.\n\nFor the issue to occur, BGP multipath with \"pause-computation-during-churn\" must be configured on the device, and the attacker must send the paths via a BGP UPDATE from a established BGP peer.\n\nThis issue affects:\nJunos OS: \n  *  All versions before 21.4R3-S7, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S5, \n  *  from 23.2 before 23.2R2, \n  *  from 23.4 before 23.4R2.\n\n\n\nJunos OS Evolved: \n  *  All versions before 21.4R3-S7-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S5-EVO, \n  *  from 23.2 before 23.2R2-EVO, \n  *  from 23.4 before 23.4R2-EVO.","publishedAt":"2025-07-11T15:06:49.951Z","updatedAt":"2025-07-14T16:35:31.358Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS","Juniper Networks Junos OS Evolved"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.4R3-S7","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R3-S3","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3-S5","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4R2","versionType":"semver"},{"version":"22.1","status":"affected","lessThan":"22.1*","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2*","versionType":"semver"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.4R3-S7-EVO","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R3-S3-EVO","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3-S5-EVO","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2-EVO","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4R2-EVO","versionType":"semver"}]}],"references":["https://supportportal.juniper.net/JSA100080"],"weaknesses":["CWE-617"],"ingestedAt":"2026-10-29T20:09:31.862Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/52xxx/CVE-2025-52964.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-52964","state":"PUBLISHED","datePublished":"2025-07-11T15:06:49.951Z","dateUpdated":"2025-07-14T16:35:31.358Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2025-06-23T13:17:37.424Z"},"containers":{"cna":{"title":"Junos OS and Junos OS Evolved: Receipt of a specific BGP UPDATE causes an rpd crash on devices with BGP multipath configured","descriptions":[{"lang":"en","value":"A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen the device receives a specific BGP UPDATE packet, the rpd crashes and restarts. Continuous receipt of this specific packet will cause a sustained DoS condition.\n\nFor the issue to occur, BGP multipath with \"pause-computation-during-churn\" must be configured on the device, and the attacker must send the paths via a BGP UPDATE from a established BGP peer.\n\nThis issue affects:\nJunos OS: \n  *  All versions before 21.4R3-S7, \n  *  from 22.3 before 22.3R3-S3, \n  *  from 22.4 before 22.4R3-S5, \n  *  from 23.2 before 23.2R2, \n  *  from 23.4 before 23.4R2.\n\n\n\nJunos OS Evolved: \n  *  All versions before 21.4R3-S7-EVO, \n  *  from 22.3 before 22.3R3-S3-EVO, \n  *  from 22.4 before 22.4R3-S5-EVO, \n  *  from 23.2 before 23.2R2-EVO, \n  *  from 23.4 before 23.4R2-EVO."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.4R3-S7","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R3-S3","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3-S5","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4R2","versionType":"semver"},{"version":"22.1","status":"affected","lessThan":"22.1*","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2*","versionType":"semver"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.4R3-S7-EVO","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R3-S3-EVO","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3-S5-EVO","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2-EVO","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4R2-EVO","versionType":"semver"}]}],"references":[{"url":"https://supportportal.juniper.net/JSA100080","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/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":"ADJACENT","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:A/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-617","description":"CWE-617 Reachable Assertion","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"juniper","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateUpdated":"2025-07-11T15:06:49.951Z"},"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A sample BGP multipath configuration is shown below: <br><tt>[ protocols bgp group &lt;name&gt; multipath ]<br><br></tt>Required config command:<br><tt>[ pause-computation-during-churn ]</tt><tt><br></tt>"}],"value":"A sample BGP multipath configuration is shown below: \n[ protocols bgp group <name> multipath ]\n\nRequired config command:\n[ pause-computation-during-churn ]"}],"datePublic":"2025-07-09T16:00:00.000Z","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>Junos OS: 21.4R3-S7, 22.3R3-S3, 22.4R3-S5, 23.2R2, 23.4R2, 24.2R1, and all subsequent releases.<br>Junos OS Evolved: 21.4R3-S7-EVO, 22.3R3-S3-EVO, 22.4R3-S5-EVO, 23.2R2-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases.<br>"}],"value":"The following software releases have been updated to resolve this specific issue: \nJunos OS: 21.4R3-S7, 22.3R3-S3, 22.4R3-S5, 23.2R2, 23.4R2, 24.2R1, and all subsequent releases.\nJunos OS Evolved: 21.4R3-S7-EVO, 22.3R3-S3-EVO, 22.4R3-S5-EVO, 23.2R2-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases."}],"source":{"advisory":"JSA100080","defect":["1766960"],"discovery":"USER"},"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"This issue can be mitigated by disabling the multipath computation pause command \"pause-computation-during-churn\".<br><br>"}],"value":"This issue can be mitigated by disabling the multipath computation pause command \"pause-computation-during-churn\"."}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-07-14T16:35:26.479336Z","id":"CVE-2025-52964","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":"2025-07-14T16:35:31.358Z"}}]}}}