CVE-2026-118527

{
  "id": "CVE-2026-118527",
  "sourceIdentifier": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
  "published": "2026-11-03T15:17:24.920",
  "lastModified": "2026-11-03T17:48:12.873",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use of predictable filenames in Ivanti Connect Secure before versions 25.1.1.3 and 22.8R2.6 allows a remote authenticated attacker to upload files with attacker-controlled content to a known location on disk."
    }
  ],
  "affected": [
    {
      "source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
      "affectedData": [
        {
          "vendor": "Ivanti",
          "product": "Connect Secure",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "25.1.1.3",
              "status": "unaffected"
            },
            {
              "version": "22.8R2.6",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-11-03T15:32:15.250213Z",
          "id": "CVE-2026-118527",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "cisaExploitAdd": "2026-10-30",
  "cisaActionDue": "2026-11-13",
  "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
  "cisaVulnerabilityName": "Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability",
  "weaknesses": [
    {
      "source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-340"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "25.1.0.0",
              "versionEndExcluding": "25.1.1.3",
              "matchCriteriaId": "B04FDDB3-6879-4C9B-AB2D-6A54884797E0"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ivanti:connect_secure:22.8:r2:*:*:*:*:*:*",
              "matchCriteriaId": "56FEC223-8FF7-4A05-9577-CFFE0AA6526C"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ivanti:connect_secure:22.8:r2.1:*:*:*:*:*:*",
              "matchCriteriaId": "5569D323-6ADF-4B16-822D-FBA6760356C3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ivanti:connect_secure:22.8:r2.2:*:*:*:*:*:*",
              "matchCriteriaId": "FF4D400F-49DA-4C5F-8F63-5A15738360AE"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ivanti:connect_secure:22.8:r2.3:*:*:*:*:*:*",
              "matchCriteriaId": "9CA7EF35-D0BC-4714-A38A-91660BE1BA55"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ivanti:connect_secure:22.8:r2.4:*:*:*:*:*:*",
              "matchCriteriaId": "F22EC396-A447-4175-8A30-C8DC10ACFFE9"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ivanti:connect_secure:22.8:r2.5:*:*:*:*:*:*",
              "matchCriteriaId": "8B173211-BFCF-40E7-8651-4E8C4CEFAFFF"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-CVE-2026-104935?language=en_US",
      "source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-118527",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ]
    }
  ]
}