CVE-2025-52961

{"id": "CVE-2025-52961", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-52961", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-09T19:43:31.113048Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "sirt@juniper.net", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "sirt@juniper.net", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "AUTOMATIC", "baseScore": 7.1, "Automatable": "YES", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:C/RE:M/U:Green", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "GREEN", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "MODERATE", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "sirt@juniper.net", "affectedData": [{"vendor": "Juniper Networks", "modules": ["cfmman", "cfmd"], "product": "Junos OS Evolved", "versions": [{"status": "affected", "version": "23.2R1-EVO", "lessThan": "23.2R2-S4-EVO", "versionType": "semver"}, {"status": "affected", "version": "23.4-EVO", "lessThan": "23.4R2-S4-EVO", "versionType": "semver"}, {"status": "affected", "version": "24.2-EVO", "lessThan": "24.2R2-EVO", "versionType": "semver"}, {"status": "affected", "version": "24.4-EVO", "lessThan": "24.4R1-S2-EVO, 24.4R2-EVO", "versionType": "semver"}, {"status": "unaffected", "version": "0", "lessThan": "23.2R1-EVO", "versionType": "semver"}], "platforms": ["PTX10001-36MR", "PTX10002-36QDD", "PTX10004", "PTX10008", "PTX10016"], "defaultStatus": "unaffected"}]}], "published": "2025-10-09T16:15:45.247", "references": [{"url": "https://supportportal.juniper.net/JSA103144", "tags": ["Exploit", "Vendor Advisory"], "source": "sirt@juniper.net"}, {"url": "https://www.juniper.net/documentation/us/en/software/junos/network-mgmt/topics/topic-map/cfm-configuring.html", "tags": ["Technical Description"], "source": "sirt@juniper.net"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "sirt@juniper.net", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "An Uncontrolled Resource Consumption vulnerability in the Connectivity Fault Management (CFM) daemon\u00a0and the Connectivity Fault Management Manager (cfmman)\u00a0of Juniper Networks Junos OS Evolved on PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).\n\nAn attacker on an adjacent device sending specific valid traffic can cause cfmd to spike the CPU to 100% and cfmman's memory to leak, eventually to cause the FPC crash and restart.\n\nContinued receipt and processes of these specific valid packets will sustain the Denial of Service (DoS) condition.\n\nAn indicator of compromise is to watch\u00a0for an increase in cfmman memory rising over time by issuing the following command and evaluating the\u00a0RSS\u00a0number.\u00a0If the RSS is growing into GBs then consider restarting the device to temporarily clear memory.\n \n\u00a0 user@device> show system processes node fpc<num> detail | match cfmman\n\nExample:\u00a0\n\n\u00a0 show system processes node fpc0 detail | match cfmman\u00a0\n\u00a0 F S UID \u00a0 \u00a0 \u00a0 PID\u00a0 \u00a0 \u00a0 \u00a0PPID PGID \u00a0 SID\u00a0 \u00a0C PRI NI\u00a0 ADDR SZ\u00a0 \u00a0 WCHAN \u00a0 RSS\u00a0 \u00a0 \u00a0PSR STIME TTY \u00a0 \u00a0 \u00a0 \u00a0 TIME\u00a0 \u00a0 \u00a0CMD\n\u00a0 4 S root\u00a0 \u00a0 \u00a0 15204 \u00a0 \u00a0 1\u00a0 \u00a0 15204\u00a0 15204 0 80\u00a0 0\u00a0 \u00a0- 90802\u00a0 \u00a0 \u00a0-\u00a0 \u00a0 \u00a0 113652\u00a0 \u00a04\u00a0 Sep25 ?\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a000:15:28 /usr/bin/cfmman -p /var/pfe -o -c /usr/conf/cfmman-cfg-active.xml\nThis issue affects Junos OS Evolved on\u00a0PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016:\n\n * from 23.2R1-EVO before 23.2R2-S4-EVO, \n * from 23.4 before 23.4R2-S4-EVO, \n * from 24.2 before 24.2R2-EVO, \n * from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.\n\n\nThis issue does not affect Junos OS Evolved on\u00a0PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 before 23.2R1-EVO."}, {"lang": "es", "value": "Una vulnerabilidad de Consumo de Recursos No Controlado en el demonio de Gesti\u00f3n de Fallos de Conectividad (CFM) y el Gestor de Gesti\u00f3n de Fallos de Conectividad (cfmman) de Juniper Networks Junos OS Evolved en PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 permite a un atacante adyacente no autenticado causar una denegaci\u00f3n de servicio (DoS).\n\nUn atacante en un dispositivo adyacente que env\u00eda tr\u00e1fico v\u00e1lido espec\u00edfico puede hacer que cfmd dispare la CPU al 100% y que la memoria de cfmman tenga una fuga, lo que eventualmente causar\u00e1 el fallo y reinicio del FPC.\n\nLa recepci\u00f3n y el procesamiento continuos de estos paquetes v\u00e1lidos espec\u00edficos mantendr\u00e1n la condici\u00f3n de denegaci\u00f3n de servicio (DoS).\n\nUn indicador de compromiso es observar un aumento en la memoria de cfmman que crece con el tiempo emitiendo el siguiente comando y evaluando el n\u00famero RSS. Si el RSS est\u00e1 creciendo a GB, entonces considere reiniciar el dispositivo para liberar temporalmente la memoria.\n\n user@device> show system processes node fpc<num> detail | match cfmman\n\nEjemplo:\n\n show system processes node fpc0 detail | match cfmman\n F S UID PID PPID PGID SID C PRI NI ADDR SZ WCHAN RSS PSR STIME TTY TIME CMD\n 4 S root 15204 1 15204 15204 0 80 0 - 90802 - 113652 4 Sep25 ? 00:15:28 /usr/bin/cfmman -p /var/pfe -o -c /usr/conf/cfmman-cfg-active.xml\nEste problema afecta a Junos OS Evolved en PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016:\n\n * desde 23.2R1-EVO antes de 23.2R2-S4-EVO,\n * desde 23.4 antes de 23.4R2-S4-EVO,\n * desde 24.2 antes de 24.2R2-EVO,\n * desde 24.4 antes de 24.4R1-S2-EVO, 24.4R2-EVO.\n\n\nEste problema no afecta a Junos OS Evolved en PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016 antes de 23.2R1-EVO."}], "lastModified": "2026-10-08T13:10:00.200", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.2:r1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DDEC008A-3137-48D1-8ABC-6DB0EFC40E50"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.2:r1-s1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "558D234D-BC50-415F-86D6-8E19D6C3ACE0"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.2:r1-s2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33F4EEEE-77E9-4973-A770-99E7BA2F05F5"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.2:r2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A4BB6910-B994-45FD-8153-5EC00EE842E6"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D657944B-2066-4F2C-BC92-EDF4DE1C165C"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "75A58924-6348-44CF-AB39-1FCE17FE81AC"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9A903B31-D9E5-43FA-B09F-7E7769803720"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.4:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D7F0D73-85EE-4A07-B51B-6BF52ECBA75E"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.4:r1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FE777A1F-9CD9-426E-AF1C-FBE01EB9A4A8"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.4:r1-s1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7147BA60-30A5-4CED-9AAF-F6BEA0528B89"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.4:r1-s2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6E5CE59B-14B2-4F4C-81B5-0430EC954956"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.4:r2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB82B22F-9005-4EF0-A1E3-4261757783D4"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0224D3F1-8B86-432C-8F5B-B4B7B69ADF31"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB2FE5FE-0ADE-406E-A23D-FDCC104B2496"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2E58987A-D7B7-4FFF-9969-E8FD76AE2BE3"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:24.2:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0DD89AAD-C615-42AF-B8AF-E6067862F0F5"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:24.2:r1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28AFF11D-E418-4A76-B557-F60622602537"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:24.2:r1-s2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0A86A69D-2B90-4B3B-A6EC-88358284787D"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:24.4:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B32ADA05-5F5D-45B6-BB7B-3FA6A6F229F5"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:24.4:r1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D6526E82-A6A6-4A65-9B01-B3FCB947F44E"}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:24.4:r2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "25DA0DD2-E974-448C-BD05-ED6FCA4725FB"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:juniper:ptx10001-36mr:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C188428C-0558-44FB-845C-E885DE9A0733"}, {"criteria": "cpe:2.3:h:juniper:ptx10002-36qdd:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F805FE65-289B-404D-87A3-289A4A9AC927"}, {"criteria": "cpe:2.3:h:juniper:ptx10004:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C432E543-37F5-4CA0-B239-2B97C6A16907"}, {"criteria": "cpe:2.3:h:juniper:ptx10008:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "65A64A26-4606-4D33-8958-5A3B7FFC4CDB"}, {"criteria": "cpe:2.3:h:juniper:ptx10016:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1879799F-18B2-4958-AA90-FD19348C889F"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "sirt@juniper.net"}