{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-52953","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","state":"PUBLISHED","assignerShortName":"juniper","dateReserved":"2025-06-23T13:16:01.409Z","datePublished":"2025-07-11T15:04:55.140Z","dateUpdated":"2025-07-11T20:11:26.659Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","modules":["bgp"],"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"21.2R3-S9","status":"affected","version":"0","versionType":"semver"},{"lessThan":"21.4R3-S11","status":"affected","version":"21.4","versionType":"semver"},{"lessThan":"22.2R3-S7","status":"affected","version":"22.2","versionType":"semver"},{"lessThan":"22.4R3-S7","status":"affected","version":"22.4","versionType":"semver"},{"lessThan":"23.2R2-S4","status":"affected","version":"23.2","versionType":"semver"},{"lessThan":"23.4R2-S4","status":"affected","version":"23.4","versionType":"semver"},{"lessThan":"24.2R2","status":"affected","version":"24.2","versionType":"semver"},{"lessThan":"24.4R1-S3, 24.4R2","status":"affected","version":"24.4","versionType":"semver"}]},{"defaultStatus":"unaffected","modules":["bgp"],"product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"22.2R3-S7-EVO","status":"affected","version":"0","versionType":"semver"},{"lessThan":"22.4R3-S7-EVO","status":"affected","version":"22.4-EVO","versionType":"semver"},{"lessThan":"23.2R2-S4-EVO","status":"affected","version":"23.2-EVO","versionType":"semver"},{"lessThan":"23.4R2-S4-EVO","status":"affected","version":"23.4-EVO","versionType":"semver"},{"lessThan":"24.2R2-EVO","status":"affected","version":"24.2-EVO","versionType":"semver"},{"lessThan":"24.4R1-S3-EVO, 24.4R2-EVO","status":"affected","version":"24.4-EVO","versionType":"semver"}]}],"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"One of the following minimal configurations is necessary to be exposed to this issue:
  [protocols bgp group <group-name> neighbor <peer-ip-address> family inet6-vpn unicast]
or
  [protocols bgp group <group-name> family inet6-vpn unicast]
or
  [protocols bgp family inet6-vpn unicast]"}],"value":"One of the following minimal configurations is necessary to be exposed to this issue:\n  [protocols bgp group neighbor  family inet6-vpn unicast]\nor\n  [protocols bgp group family inet6-vpn unicast]\nor\n  [protocols bgp family inet6-vpn unicast]"}],"datePublic":"2025-07-09T16:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"An Expected Behavior Violation vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker sending a valid BGP UPDATE packet to cause a BGP session reset, resulting in a Denial of Service (DoS). 

Continuous receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.

This issue affects iBGP and eBGP and both IPv4 and IPv6 are affected by this vulnerability.

This issue affects Junos OS:

  • All versions before 21.2R3-S9,
  • from 21.4 before 21.4R3-S11,
  • from 22.2 before 22.2R3-S7,
  • from 22.4 before 22.4R3-S7,
  • from 23.2 before 23.2R2-S4,
  • from 23.4 before 23.4R2-S4,
  • from 24.2 before 24.2R2,
  • from 24.4 before 24.4R1-S3, 24.4R2
Junos OS Evolved:

  • All versions before 22.2R3-S7-EVO,
  • from 22.4-EVO before 22.4R3-S7-EVO,
  • from 23.2-EVO before 23.2R2-S4-EVO,
  • from 23.4-EVO before 23.4R2-S4-EVO,
  • from 24.2-EVO before 24.2R2-EVO,
  • from 24.4-EVO before 24.4R1-S3-EVO, 24.4R2-EVO.
"}],"value":"An Expected Behavior Violation vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker sending a valid BGP UPDATE packet to cause a BGP session reset, resulting in a Denial of Service (DoS). \n\nContinuous receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\n\nThis issue affects iBGP and eBGP and both IPv4 and IPv6 are affected by this vulnerability.\n\nThis issue affects Junos OS:\n\n\n * All versions before 21.2R3-S9,\n * from 21.4 before 21.4R3-S11,\n * from 22.2 before 22.2R3-S7,\n * from 22.4 before 22.4R3-S7,\n * from 23.2 before 23.2R2-S4,\n * from 23.4 before 23.4R2-S4,\n * from 24.2 before 24.2R2,\n * from 24.4 before 24.4R1-S3, 24.4R2\n\n\nJunos OS Evolved:\n\n\n\n * All versions before 22.2R3-S7-EVO,\n * from 22.4-EVO before 22.4R3-S7-EVO,\n * from 23.2-EVO before 23.2R2-S4-EVO,\n * from 23.4-EVO before 23.4R2-S4-EVO,\n * from 24.2-EVO before 24.2R2-EVO,\n * from 24.4-EVO before 24.4R1-S3-EVO, 24.4R2-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":"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":"YES","Recovery":"AUTOMATIC","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"AMBER","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"CONCENTRATED","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/AU:Y/R:A/V:C/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"MODERATE"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-440","description":"CWE-440 Expected Behavior Violation","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper","dateUpdated":"2025-07-11T15:04:55.140Z"},"references":[{"tags":["vendor-advisory"],"url":"https://supportportal.juniper.net/JSA100059"},{"tags":["technical-description"],"url":"https://www.juniper.net/documentation/us/en/software/junos/bgp/topics/task/routing-protocol-bgp-security-configuring.html"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The following software releases have been updated to resolve this specific issue:
Junos OS: 21.2R3-S9, 21.4R3-S11, 22.2R3-S7, 22.4R3-S7, 23.2R2-S4, 23.4R2-S4, 24.2R2, 24.4R1-S3, 24.4R2, 25.2R1, and all subsequent releases.
Junos OS Evolved: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S4-EVO, 24.2R2-EVO, 24.4R1-S3-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases.

"}],"value":"The following software releases have been updated to resolve this specific issue:\nJunos OS: 21.2R3-S9, 21.4R3-S11, 22.2R3-S7, 22.4R3-S7, 23.2R2-S4, 23.4R2-S4, 24.2R2, 24.4R1-S3, 24.4R2, 25.2R1, and all subsequent releases.\nJunos OS Evolved: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S4-EVO, 24.2R2-EVO, 24.4R1-S3-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases."}],"source":{"advisory":"JSA100059","defect":["1855477"],"discovery":"USER"},"title":"Junos OS and Junos OS Evolved: An unauthenticated adjacent attacker sending a valid BGP UPDATE packet forces a BGP session reset","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":"2025-07-11T20:11:16.564518Z","id":"CVE-2025-52953","options":[{"Exploitation":"none"},{"Automatable":"no"},{"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":"2025-07-11T20:11:26.659Z"}}]}}