CVE-2026-102029

Status: Awaiting AnalysisHigh (8.7)—

Severity8.7High · CVSS 4.0

Exploitation probability0.46 %higher than 39% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated configured MSDP peer or adjacent PIM sender to cause a denial of service via an MSDP or PIM policy that uses AS-path expansion.

CVSS

Base score: 8.7
Version: 4.0
Vector: CVSS:4.0/AV:N/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:X

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.46 %
Percentile among all scored CVEs: 39
Score date: 10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1190 Exploit Public-Facing Applicationinitial access88 %
Primary impactT1499 Endpoint Denial of Serviceimpact85 %

El vector AV:N/PR:N/UI:N indica explotación remota sin privilegios; la descripción cita denegación de servicio en rpd de Junos OS mediante políticas MSDP o PIM.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Filter Network Traffic Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Application Isolation and Sandboxing

Affected technologies (2)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Juniper — Junos OS^AI Juniper — Junos OS Evolved^AI

CWEs

CWE-476

References

Show 1 references

https://supportportal.juniper.net/JSA112187

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-102029",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
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              "automatable": "yes"
            },
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          "version": "2.0.3",
          "timestamp": "2026-10-16T16:38:54.450684Z"
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          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
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          "subConfidentialityImpact": "NONE",
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          "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"
        }
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  "published": "2026-10-14T17:17:56.303",
  "references": [
    {
      "url": "https://supportportal.juniper.net/JSA112187",
      "source": "sirt@juniper.net"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
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      "description": [
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      "value": "A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated configured MSDP peer or adjacent PIM sender to cause a denial of service via an MSDP or PIM policy that uses AS-path expansion."
    }
  ],
  "lastModified": "2026-10-16T17:17:08.140",
  "sourceIdentifier": "sirt@juniper.net"
}