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CVE-2023-20820 (GCVE-0-2023-20820)

Vulnerability from cvelistv5 – Published: 2023-09-04 02:27 – Updated: 2024-10-09 15:32
VLAI
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.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-09 15:10 UTC
CWE
  • Elevation of Privilege
Impacted products
Vendor Product Version CPE status
MediaTek, Inc. MT6890, MT7603, MT7612, MT7613, MT7615, MT7622, MT7626, MT7629, MT7915, MT7916, MT7981, MT7986, MT7990 Affected: OpenWRT 19.07, 21.02
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mediatek mt6890 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt7603 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7603:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt7612 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7612:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt7613 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7613:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt7615 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7615:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt7622 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7622:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt7626 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7626:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt7629 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7629:-:*:*:*:*:*:*:*
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mediatek mt7915 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*
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mediatek mt7916 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt7981 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt7986 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt7990 Affected: openwrt_19.07
Affected: openwrt_2102
    cpe:2.3:h:mediatek:mt7990:-:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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            "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"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-05-28T23:52:02+00:00",
      "cve": "CVE-2023-20820",
      "id": "CVE-2023-20820",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2023-20820",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-20820.json",
      "version": "3"
    },
    "vulnrichment": {
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          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T09:14:41.009Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://corp.mediatek.com/product-security-bulletin/September-2023"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "affected": [
              {
                "cpes": [
                  "cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "mt6890",
                "vendor": "mediatek",
                "versions": [
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                    "version": "openwrt_19.07"
                  },
                  {
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                ]
              },
              {
                "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": [
                  "cpe:2.3:h:mediatek:mt7612:-:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "mt7612",
                "vendor": "mediatek",
                "versions": [
                  {
                    "status": "affected",
                    "version": "openwrt_19.07"
                  },
                  {
                    "status": "affected",
                    "version": "openwrt_2102"
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                ]
              },
              {
                "cpes": [
                  "cpe:2.3:h:mediatek:mt7613:-:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "mt7613",
                "vendor": "mediatek",
                "versions": [
                  {
                    "status": "affected",
                    "version": "openwrt_19.07"
                  },
                  {
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                ]
              },
              {
                "cpes": [
                  "cpe:2.3:h:mediatek:mt7615:-:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "mt7615",
                "vendor": "mediatek",
                "versions": [
                  {
                    "status": "affected",
                    "version": "openwrt_19.07"
                  },
                  {
                    "status": "affected",
                    "version": "openwrt_2102"
                  }
                ]
              },
              {
                "cpes": [
                  "cpe:2.3:h:mediatek:mt7622:-:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "mt7622",
                "vendor": "mediatek",
                "versions": [
                  {
                    "status": "affected",
                    "version": "openwrt_19.07"
                  },
                  {
                    "status": "affected",
                    "version": "openwrt_2102"
                  }
                ]
              },
              {
                "cpes": [
                  "cpe:2.3:h:mediatek:mt7626:-:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "mt7626",
                "vendor": "mediatek",
                "versions": [
                  {
                    "status": "affected",
                    "version": "openwrt_19.07"
                  },
                  {
                    "status": "affected",
                    "version": "openwrt_2102"
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                ]
              },
              {
                "cpes": [
                  "cpe:2.3:h:mediatek:mt7629:-:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "mt7629",
                "vendor": "mediatek",
                "versions": [
                  {
                    "status": "affected",
                    "version": "openwrt_19.07"
                  },
                  {
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                    "version": "openwrt_2102"
                  }
                ]
              },
              {
                "cpes": [
                  "cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "mt7915",
                "vendor": "mediatek",
                "versions": [
                  {
                    "status": "affected",
                    "version": "openwrt_19.07"
                  },
                  {
                    "status": "affected",
                    "version": "openwrt_2102"
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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": [
                  "cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "mt7981",
                "vendor": "mediatek",
                "versions": [
                  {
                    "status": "affected",
                    "version": "openwrt_19.07"
                  },
                  {
                    "status": "affected",
                    "version": "openwrt_2102"
                  }
                ]
              },
              {
                "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"
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                ]
              },
              {
                "cpes": [
                  "cpe:2.3:h:mediatek:mt7990:-:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "mt7990",
                "vendor": "mediatek",
                "versions": [
                  {
                    "status": "affected",
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                  },
                  {
                    "status": "affected",
                    "version": "openwrt_2102"
                  }
                ]
              }
            ],
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-20820",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-10-09T15:10:16.025434Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
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            ],
            "providerMetadata": {
              "dateUpdated": "2024-10-09T15:32:43.481Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "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"
                }
              ]
            }
          ],
          "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."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Elevation of Privilege",
                  "lang": "en",
                  "type": "text"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-09-04T02:27:15.884Z",
            "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
            "shortName": "MediaTek"
          },
          "references": [
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              "url": "https://corp.mediatek.com/product-security-bulletin/September-2023"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "assignerShortName": "MediaTek",
        "cveId": "CVE-2023-20820",
        "datePublished": "2023-09-04T02:27:15.884Z",
        "dateReserved": "2022-10-28T02:03:23.673Z",
        "dateUpdated": "2024-10-09T15:32:54.982Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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