FKIE_CVE-2023-20820

Vulnerability from fkie_nvd - Published: 2023-09-04 03:15 - Updated: 2026-06-17 05:30
Severity
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
In wlan service, there is a possible command injection due to improper input validation. This could lead to remote code execution with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00244189; Issue ID: WCNCR00244189.
References
security@mediatek.comhttps://corp.mediatek.com/product-security-bulletin/September-2023Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://corp.mediatek.com/product-security-bulletin/September-2023Vendor Advisory
Impacted products
Vendor Product Version
openwrt openwrt 19.07.0
openwrt openwrt 21.02.0
mediatek mt6890 -
mediatek mt7603 -
mediatek mt7612 -
mediatek mt7613 -
mediatek mt7615 -
mediatek mt7622 -
mediatek mt7626 -
mediatek mt7629 -
mediatek mt7915 -
mediatek mt7916 -
mediatek mt7981 -
mediatek mt7986 -
mediatek mt7990 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "MT6890, MT7603, MT7612, MT7613, MT7615, MT7622, MT7626, MT7629, MT7915, MT7916, MT7981, MT7986, MT7990",
          "vendor": "MediaTek, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "OpenWRT 19.07, 21.02"
            }
          ]
        }
      ],
      "source": "security@mediatek.com"
    },
    {
      "affectedData": [
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          ],
          "defaultStatus": "unknown",
          "product": "mt6890",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
              "status": "affected",
              "version": "openwrt_2102"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:h:mediatek:mt7603:-:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "mt7603",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
              "status": "affected",
              "version": "openwrt_2102"
            }
          ]
        },
        {
          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "product": "mt7612",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
              "status": "affected",
              "version": "openwrt_2102"
            }
          ]
        },
        {
          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "product": "mt7613",
          "vendor": "mediatek",
          "versions": [
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              "status": "affected",
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            },
            {
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            }
          ]
        },
        {
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          ],
          "defaultStatus": "unknown",
          "product": "mt7615",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
              "status": "affected",
              "version": "openwrt_2102"
            }
          ]
        },
        {
          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "product": "mt7622",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
              "status": "affected",
              "version": "openwrt_2102"
            }
          ]
        },
        {
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          ],
          "defaultStatus": "unknown",
          "product": "mt7626",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
              "status": "affected",
              "version": "openwrt_2102"
            }
          ]
        },
        {
          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "product": "mt7629",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
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            }
          ]
        },
        {
          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "product": "mt7915",
          "vendor": "mediatek",
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            },
            {
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            }
          ]
        },
        {
          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "product": "mt7916",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
              "status": "affected",
              "version": "openwrt_2102"
            }
          ]
        },
        {
          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "product": "mt7981",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
              "status": "affected",
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            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "mt7986",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
              "status": "affected",
              "version": "openwrt_2102"
            }
          ]
        },
        {
          "cpes": [
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          ],
          "defaultStatus": "unknown",
          "product": "mt7990",
          "vendor": "mediatek",
          "versions": [
            {
              "status": "affected",
              "version": "openwrt_19.07"
            },
            {
              "status": "affected",
              "version": "openwrt_2102"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
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              "vulnerable": true
            },
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In wlan service, there is a possible command injection due to improper input validation. This could lead to remote code execution with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00244189; Issue ID: WCNCR00244189."
    },
    {
      "lang": "es",
      "value": "En wlan service, se presenta una posible inyecci\u00f3n de comando debido a una comprobaci\u00f3n de entrada inapropiada. Esto podr\u00eda conducir a la divulgaci\u00f3n de informaci\u00f3n local con privilegios de ejecuci\u00f3n del sistema necesarios. No es necesaria la interacci\u00f3n del usuario para su explotaci\u00f3n. ID del parche: WCNCR00244189; ID de la incidencia: WCNCR00244189."
    }
  ],
  "id": "CVE-2023-20820",
  "lastModified": "2026-06-17T05:30:55.960",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-20820",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-09T15:10:16.025434Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-09-04T03:15:07.840",
  "references": [
    {
      "source": "security@mediatek.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://corp.mediatek.com/product-security-bulletin/September-2023"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://corp.mediatek.com/product-security-bulletin/September-2023"
    }
  ],
  "sourceIdentifier": "security@mediatek.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.