Session Smart Router and Session Smart Conductor: Lack of integrity verification in cache files causes arbitrary code execution and privilege escalation

{
  "id": "68806129915443f8a1a7d7c309d1bd9ddcba8a4c63ecfefcd3df0274e3f03568",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-103402",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Session Smart Router and Session Smart Conductor: Lack of integrity verification in cache files causes arbitrary code execution and privilege escalation",
    "summary": "An Insufficient Verification of Data Authenticity vulnerability in PCLI in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker with write access to the model cache directory to execute arbitrary code and escalate privileges via the processing of unverified cache files.",
    "evidence": "cve:CVE-2026-103402",
    "products": [
      {
        "name": {
          "value": "Session Smart Router",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "Session Smart Conductor",
          "evidence": "/containers/cna/affected/1/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-103402",
      "aliases": [
        "CVE-2026-103402"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 8.8,
            "attackVector": "NETWORK",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "integrityImpact": "HIGH",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "confidentialityImpact": "HIGH"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "Juniper Networks",
          "product": "Session Smart Router",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "7.0.5",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "7.1.0",
              "lessThan": "7.1.7",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "7.2.0",
              "lessThan": "7.2.3",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Juniper Networks",
          "product": "Session Smart Conductor",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "7.0.5",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "7.1.0",
              "lessThan": "7.1.7",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "7.2.0",
              "lessThan": "7.2.3",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T16:34:58.448Z",
      "provider": "cve",
      "references": [
        "https://supportportal.juniper.net/JSA112183"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
          "shortName": "juniper",
          "dateUpdated": "2026-10-28T16:34:58.448Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-103402",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 461075,
  "published_at": "2026-10-28T16:34:58.448+00:00"
}