FKIE_CVE-2025-52958
Vulnerability from fkie_nvd - Published: 2025-07-11 15:15 - Updated: 2026-01-23 19:37
Severity ?
Summary
A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).On all Junos OS and Junos OS Evolved devices, when route validation is enabled, a rare condition during BGP initial session establishment can lead to an rpd crash and restart. This occurs specifically when the connection request fails during error-handling scenario.
Continued session establishment failures leads to a sustained DoS condition.
This issue affects Junos OS:
* All versions before 22.2R3-S6,
* from 22.4 before 22.4R3-S6,
* from 23.2 before 23.2R2-S3,
* from 23.4 before 23.4R2-S4,
* from 24.2 before 24.2R2;
Junos OS Evolved:
* All versions before 22.2R3-S6-EVO,
* from 22.4 before 22.4R3-S6-EVO,
* from 23.2 before 23.2R2-S3-EVO,
* from 23.4 before 23.4R2-S4-EVO,
* from 24.2 before 24.2R2-EVO.
References
| URL | Tags | ||
|---|---|---|---|
| sirt@juniper.net | https://supportportal.juniper.net/JSA100066 | Vendor Advisory |
Impacted products
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"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s2:*:*:*:*:*:*",
"matchCriteriaId": "EB2FE5FE-0ADE-406E-A23D-FDCC104B2496",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s3:*:*:*:*:*:*",
"matchCriteriaId": "2E58987A-D7B7-4FFF-9969-E8FD76AE2BE3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:24.2:-:*:*:*:*:*:*",
"matchCriteriaId": "0DD89AAD-C615-42AF-B8AF-E6067862F0F5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:24.2:r1:*:*:*:*:*:*",
"matchCriteriaId": "28AFF11D-E418-4A76-B557-F60622602537",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:24.2:r1-s2:*:*:*:*:*:*",
"matchCriteriaId": "0A86A69D-2B90-4B3B-A6EC-88358284787D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper\u00a0Networks Junos OS and Junos OS Evolved allows an adjacent,\u00a0unauthenticated\u00a0attacker to cause a Denial of Service (DoS).On all Junos OS and Junos OS Evolved devices, when route validation is enabled, a rare condition during BGP initial session establishment can lead to an rpd crash and restart. This occurs specifically when the connection request fails during error-handling scenario.\n\nContinued session establishment failures leads to a sustained DoS condition.\u00a0\n\nThis issue affects Junos OS:\n\n * All versions before 22.2R3-S6, \n * from 22.4 before 22.4R3-S6, \n * from 23.2 before 23.2R2-S3, \n * from 23.4 before 23.4R2-S4, \n * from 24.2 before 24.2R2; \n\n\n\nJunos OS Evolved: \n * All versions before 22.2R3-S6-EVO, \n * from 22.4 before\u00a022.4R3-S6-EVO,\n * from 23.2 before\u00a023.2R2-S3-EVO,\n * from 23.4 before 23.4R2-S4-EVO, \n * from 24.2 before 24.2R2-EVO."
},
{
"lang": "es",
"value": "Una vulnerabilidad de aserci\u00f3n alcanzable en el daemon de protocolo de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite que un atacante adyacente no autenticado provoque una denegaci\u00f3n de servicio (DoS). En todos los dispositivos Junos OS y Junos OS Evolved, cuando la validaci\u00f3n de ruta est\u00e1 habilitada, una condici\u00f3n poco com\u00fan durante el establecimiento de la sesi\u00f3n inicial de BGP puede provocar un bloqueo y reinicio del rpd. Esto ocurre espec\u00edficamente cuando la solicitud de conexi\u00f3n falla durante un escenario de manejo de errores. Los fallos continuos en el establecimiento de la sesi\u00f3n conducen a una condici\u00f3n de DoS sostenida. Este problema afecta a Junos OS: * Todas las versiones anteriores a 22.2R3-S6, * desde 22.4 hasta 22.4R3-S6, * desde 23.2 hasta 23.2R2-S3, * desde 23.4 hasta 23.4R2-S4, * desde 24.2 hasta 24.2R2; Junos OS Evolved: * Todas las versiones anteriores a 22.2R3-S6-EVO, * desde 22.4 hasta 22.4R3-S6-EVO, * desde 23.2 hasta 23.2R2-S3-EVO, * desde 23.4 hasta 23.4R2-S4-EVO, * desde 24.2 hasta 24.2R2-EVO."
}
],
"id": "CVE-2025-52958",
"lastModified": "2026-01-23T19:37:09.253",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.6,
"impactScore": 3.6,
"source": "sirt@juniper.net",
"type": "Secondary"
}
],
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "AUTOMATIC",
"Safety": "NOT_DEFINED",
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "ADJACENT",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 6.0,
"baseSeverity": "MEDIUM",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "GREEN",
"subAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:H/AT:P/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:X/R:A/V:X/RE:M/U:Green",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "MODERATE"
},
"source": "sirt@juniper.net",
"type": "Secondary"
}
]
},
"published": "2025-07-11T15:15:26.627",
"references": [
{
"source": "sirt@juniper.net",
"tags": [
"Vendor Advisory"
],
"url": "https://supportportal.juniper.net/JSA100066"
}
],
"sourceIdentifier": "sirt@juniper.net",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-617"
}
],
"source": "sirt@juniper.net",
"type": "Secondary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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