← Back to CVE Explorer

CVE-2026-31927

Full vulnerability record from the local CVENow database.

Description

Anviz CX7 Firmware is vulnerable to an authenticated CSV upload which allows path traversal to overwrite arbitrary files (e.g., /etc/shadow), enabling unauthorized SSH access when combined with debug‑setting changes.

Severity
MEDIUM
CVSS score
4.9 (v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-04-17 20:16:33.370000
Last modified
2026-10-26 00:10:00.150000
View original CVE JSON
{
  "id": "CVE-2026-31927",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-17T20:16:33.370",
  "lastModified": "2026-10-26T00:10:00.150",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Anviz CX7 Firmware is vulnerable to an authenticated CSV upload which allows path traversal to overwrite arbitrary files (e.g., /etc/shadow), enabling unauthorized SSH access when combined with debug‑setting changes."
    },
    {
      "lang": "es",
      "value": "El firmware Anviz CX7 es vulnerable a una carga de CSV autenticada que permite el salto de ruta para sobrescribir archivos arbitrarios (p. ej., /etc/sha4dow), habilitando el acceso SSH no autorizado cuando se combina con cambios en la configuración de depuración."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Anviz",
          "product": "Anviz CX7 Firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
          "baseScore": 4.9,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-17T20:34:19.788440Z",
          "id": "CVE-2026-31927",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-23"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:anviz:cx7_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "76C4D6EB-2046-4102-B450-4CF7FF2D2522"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:anviz:cx7:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "048A5AAF-E261-4EB3-899E-B5DC816C25D1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-03.json",
      "source": "[email protected]",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.anviz.com/contact-us.html",
      "source": "[email protected]",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-03",
      "source": "[email protected]",
      "tags": [
        "US Government Resource"
      ]
    }
  ]
}