CVE-2026-101975

Status: Awaiting AnalysisHigh (7.1)—

Severity7.1High · CVSS 4.0

Exploitation probability0.18 %higher than 8% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent OSPF peer to cause a denial of service via OSPF traffic processed while OSPF Source Packet Routing best-route Prefix-SID installation is configured.

CVSS

Base score: 7.1
Version: 4.0
Vector: 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:X/R:X/V:X/RE:X/U:X

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.18 %
Percentile among all scored CVEs: 8
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.

ExploitationT1210 Exploitation of Remote Serviceslateral movement90 %
Primary impactT1499 Endpoint Denial of Serviceimpact88 %

El vector AV:A con PR:N y UI:N indica red adyacente sin privilegios, y el texto describe un DoS de router por OSPF (aserción alcanzable en rpd), por lo que T1210 y T1499.

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

Vulnerability Scanning Threat Intelligence Program Privileged Account Management Network Segmentation Filter Network Traffic Disable or Remove Feature or Program

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-617

References

Show 1 references

https://supportportal.juniper.net/JSA112187

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-101975",
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          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
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          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  "published": "2026-10-14T18:17:12.467",
  "references": [
    {
      "url": "https://supportportal.juniper.net/JSA112187",
      "source": "sirt@juniper.net"
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      "description": [
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      "value": "A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent OSPF peer to cause a denial of service via OSPF traffic processed while OSPF Source Packet Routing best-route Prefix-SID installation is configured."
    }
  ],
  "lastModified": "2026-10-15T16:23:06.250",
  "sourceIdentifier": "sirt@juniper.net"
}