CVE-2026-13433

Full vulnerability record from the local CVENow database.

Description

IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. A bad actor could use this vulnerablity to run compromised code on the ACS user's workstation.

Severity

CRITICAL

CVSS score

9.6 (v3.1)

Vulnerability status

Analyzed

Source identifier

[email protected]

Published

2026-08-12 21:17:35.380000

Last modified

2026-10-23 19:10:00.167000

View original CVE JSON

{
  "id": "CVE-2026-13433",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-12T21:17:35.380",
  "lastModified": "2026-10-23T19:10:00.167",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. A bad actor could use this vulnerablity to run compromised code on the ACS user's workstation."
    },
    {
      "lang": "es",
      "value": "IBM i Access Client Solutions 1.1.2.0 hasta 1.1.9.13 (ACS) es vulnerable a la descarga de código de producto no verificado cuyo está configurado para actualizar desde un IBM i. Un actor malicioso podría usar esta vulnerabilidad para ejecutar código comprometido en la estación de trabajo del usuario de ACS."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "i Access Client Solutions",
          "cpes": [
            "cpe:2.3:a:ibm:i_access_client_solutions:1.1.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:i_access_client_solutions:1.1.9.13:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "1.1.2.0",
              "lessThanOrEqual": "1.1.9.13",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 8.3,
          "baseSeverity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 6.0
      },
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 9.6,
          "baseSeverity": "CRITICAL",
          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 6.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-13T14:08:41.054578Z",
          "id": "CVE-2026-13433",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-494"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:i_access_client_solutions:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.1.2",
              "versionEndExcluding": "1.1.9.14",
              "matchCriteriaId": "A42F6403-AF4A-46D1-B525-27111BA28FC9"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7282954",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}