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CVE-2026-102069

Status: Awaiting AnalysisHigh (8.7)—
Severity8.7High · CVSS 4.0
Exploitation probability0.35 %higher than 27% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

A Stack-based Buffer Overflow vulnerability in the dot1x daemon of Juniper Networks Junos OS devices operating as Junos Fusion Aggregation Devices allows an adjacent attacker acting as the configured ICCP peer to cause a denial of service and potentially execute code as root via. The issue is triggered when dot1x synchronization is enabled for the required Fusion satellite topology.

CVSS

Base score
8.7
Version
4.0
Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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:X/V:X/RE:X/U:X

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.35 %
Percentile among all scored CVEs
27
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.

Vector AV:A/PR:N/UI:N (red adyacente sin privilegios) y el texto cita denegación de servicio y posible ejecución de código como root por desbordamiento en dot1x.

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

Privileged Account ManagementDisable or Remove Feature or ProgramVulnerability ScanningThreat Intelligence ProgramRestrict Web-Based ContentNetwork Segmentation

Affected technologies (1)

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

Juniper — Junos OSAI

CWEs

References

Show 1 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-102069",
  "cveTags": [],
  "metrics": {
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          "options": [
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              "technicalImpact": "total"
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          "version": "2.0.3",
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          "valueDensity": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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          "versions": [
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  "references": [
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      "url": "https://supportportal.juniper.net/JSA112188",
      "source": "sirt@juniper.net"
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  "weaknesses": [
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      "description": [
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          "value": "CWE-121"
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      "value": "A Stack-based Buffer Overflow vulnerability in the dot1x daemon of Juniper Networks Junos OS devices operating as Junos Fusion Aggregation Devices allows an adjacent attacker acting as the configured ICCP peer to cause a denial of service and potentially execute code as root via. The issue is triggered when dot1x synchronization is enabled for the required Fusion satellite topology."
    }
  ],
  "lastModified": "2026-10-15T16:24:19.073",
  "sourceIdentifier": "sirt@juniper.net"
}