FKIE_CVE-2025-59961
Vulnerability from fkie_nvd - Published: 2026-01-15 21:16 - Updated: 2026-01-23 19:39
Severity ?
Summary
An Incorrect Permission Assignment for Critical Resource vulnerability in the Juniper DHCP daemon (jdhcpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to write to the Unix socket used to manage the jdhcpd process, resulting in complete control over the resource.
This vulnerability allows any low-privileged user logged into the system to connect to the Unix socket and issue commands to manage the DHCP service, in essence, taking administrative control of the local DHCP server or DHCP relay.
This issue affects:
Junos OS:
* all versions before 21.2R3-S10,
* all versions of 22.2,
* from 21.4 before 21.4R3-S12,
* from 22.4 before 22.4R3-S8,
* from 23.2 before 23.2R2-S5,
* from 23.4 before 23.4R2-S6,
* from 24.2 before 24.2R2-S2,
* from 24.4 before 24.4R2,
* from 25.2 before 25.2R1-S1, 25.2R2;
Junos OS Evolved:
* all versions before 22.4R3-S8-EVO,
* from 23.2 before 23.2R2-S5-EVO,
* from 23.4 before 23.4R2-S6-EVO,
* from 24.2 before 24.2R2-S2-EVO,
* from 24.4 before 24.4R2-EVO,
* from 25.2 before 25.2R1-S1-EVO, 25.2R2-EVO.
References
| URL | Tags | ||
|---|---|---|---|
| sirt@juniper.net | https://kb.juniper.net/JSA103150 | Vendor Advisory | |
| sirt@juniper.net | https://supportportal.juniper.net/ | Vendor Advisory |
Impacted products
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An Incorrect Permission Assignment for Critical Resource vulnerability in the Juniper DHCP daemon (jdhcpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to write to the Unix socket used to manage the jdhcpd process, resulting in complete control over the resource.\n\nThis vulnerability allows any low-privileged user logged into the system to connect to the Unix socket and issue commands to manage the DHCP service, in essence, taking administrative control of the local DHCP server or DHCP relay.\n\nThis issue affects:\n Junos OS: \n * all versions before 21.2R3-S10,\n * all versions of 22.2,\n * from 21.4 before 21.4R3-S12,\n * from 22.4 before 22.4R3-S8,\n * from 23.2 before 23.2R2-S5, \n * from 23.4 before 23.4R2-S6, \n * from 24.2 before 24.2R2-S2, \n * from 24.4 before 24.4R2, \n * from 25.2 before 25.2R1-S1, 25.2R2; \n\n\n\nJunos OS Evolved: \n * all versions before 22.4R3-S8-EVO, \n * from 23.2 before 23.2R2-S5-EVO, \n * from 23.4 before 23.4R2-S6-EVO, \n * from 24.2 before 24.2R2-S2-EVO, \n * from 24.4 before 24.4R2-EVO, \n * from 25.2 before 25.2R1-S1-EVO, 25.2R2-EVO."
},
{
"lang": "es",
"value": "Una vulnerabilidad de Asignaci\u00f3n Incorrecta de Permisos para Recursos Cr\u00edticos en el demonio DHCP de Juniper (jdhcpd) de Juniper Networks Junos OS y Junos OS Evolved permite a un usuario local con pocos privilegios escribir en el socket Unix utilizado para gestionar el proceso jdhcpd, lo que resulta en un control completo sobre el recurso.\n\nEsta vulnerabilidad permite a cualquier usuario con pocos privilegios que haya iniciado sesi\u00f3n en el sistema conectarse al socket Unix y emitir comandos para gestionar el servicio DHCP, en esencia, tomando el control administrativo del servidor DHCP local o del rel\u00e9 DHCP.\n\nEste problema afecta a:\n Junos OS:\n * todas las versiones anteriores a 21.2R3-S10,\n * todas las versiones de 22.2,\n * desde 21.4 antes de 21.4R3-S12,\n * desde 22.4 antes de 22.4R3-S8,\n * desde 23.2 antes de 23.2R2-S5,\n * desde 23.4 antes de 23.4R2-S6,\n * desde 24.2 antes de 24.2R2-S2,\n * desde 24.4 antes de 24.4R2,\n * desde 25.2 antes de 25.2R1-S1, 25.2R2;\n\nJunos OS Evolved:\n * todas las versiones anteriores a 22.4R3-S8-EVO,\n * desde 23.2 antes de 23.2R2-S5-EVO,\n * desde 23.4 antes de 23.4R2-S6-EVO,\n * desde 24.2 antes de 24.2R2-S2-EVO,\n * desde 24.4 antes de 24.4R2-EVO,\n * desde 25.2 antes de 25.2R1-S1-EVO, 25.2R2-EVO."
}
],
"id": "CVE-2025-59961",
"lastModified": "2026-01-23T19:39:19.273",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "sirt@juniper.net",
"type": "Primary"
}
],
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "YES",
"Recovery": "AUTOMATIC",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 6.8,
"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": "LOW",
"providerUrgency": "GREEN",
"subAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "LOW",
"userInteraction": "NONE",
"valueDensity": "CONCENTRATED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/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",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "MODERATE"
},
"source": "sirt@juniper.net",
"type": "Secondary"
}
]
},
"published": "2026-01-15T21:16:03.400",
"references": [
{
"source": "sirt@juniper.net",
"tags": [
"Vendor Advisory"
],
"url": "https://kb.juniper.net/JSA103150"
},
{
"source": "sirt@juniper.net",
"tags": [
"Vendor Advisory"
],
"url": "https://supportportal.juniper.net/"
}
],
"sourceIdentifier": "sirt@juniper.net",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-732"
}
],
"source": "sirt@juniper.net",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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