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CVE-2023-20795 (GCVE-0-2023-20795)

Vulnerability from cvelistv5 – Published: 2023-08-07 03:21 – Updated: 2024-10-22 19:14
VLAI
Summary
In ril, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07864900; Issue ID: ALPS07864900.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 19:14 UTC
CWE
  • Elevation of Privilege
  • CWE-787 - Out-of-bounds Write
Impacted products
Vendor Product Version CPE status
MediaTek, Inc. MT6739, MT6761, MT6762, MT6768, MT6769, MT6779, MT6781, MT6785, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8791T, MT8797 Affected: Android 12.0, 13.0
guessed Create a notification for this product.
mediatek mt6739 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6761 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6762 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6762:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6768 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6769 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6769:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6779 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6779:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6781 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6785 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6785:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6833 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6835 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6853 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6853t Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6853t:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6855 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6873 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6875 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6875:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6877 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6879 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6885 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6886 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6889 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6891 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6891:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6893 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6895 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6983 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt6985 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt8321 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt8321:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt8765 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt8765:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt8766 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt8766:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt8768 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt8781 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt8786 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt8786:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt8788 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt8788:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt8791t Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*
Create a notification for this product.
mediatek mt8797 Affected: 0 , ≤ * (custom)
    cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:*
Create a notification for this product.
google android Affected: 12.0
Affected: 13.0
    cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
    cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T09:14:40.989Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://corp.mediatek.com/product-security-bulletin/August-2023"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
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              "cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:*"
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            "cpes": [
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            "defaultStatus": "unknown",
            "product": "mt6762",
            "vendor": "mediatek",
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            "defaultStatus": "unknown",
            "product": "mt6768",
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            "cpes": [
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            "defaultStatus": "unknown",
            "product": "mt6769",
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            "defaultStatus": "unknown",
            "product": "mt6779",
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                "lessThanOrEqual": "*",
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                "version": "0",
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          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6781",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6785:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6785",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6833",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6835",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6853",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6853t:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6853t",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6855",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6873",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6875:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6875",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6877",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6879",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6885",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6886",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6889",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6891:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6891",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6893",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6895",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6983",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt6985",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt8321:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt8321",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt8765:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt8765",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt8766:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt8766",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt8768",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt8781",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt8786:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt8786",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt8788:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt8788",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt8791t",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "mt8797",
            "vendor": "mediatek",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "android",
            "vendor": "google",
            "versions": [
              {
                "status": "affected",
                "version": "12.0"
              },
              {
                "status": "affected",
                "version": "13.0"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 6.7,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-20795",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-22T19:14:05.894936Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-787",
                "description": "CWE-787 Out-of-bounds Write",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-22T19:14:46.616Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "MT6739, MT6761, MT6762, MT6768, MT6769, MT6779, MT6781, MT6785, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8791T, MT8797",
          "vendor": "MediaTek, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "Android 12.0, 13.0"
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          "descriptions": [
            {
              "lang": "en",
              "value": "In ril, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07864900; Issue ID: ALPS07864900."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Elevation of Privilege",
                  "lang": "en",
                  "type": "text"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-08-07T03:21:27.667Z",
            "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
            "shortName": "MediaTek"
          },
          "references": [
            {
              "url": "https://corp.mediatek.com/product-security-bulletin/August-2023"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "assignerShortName": "MediaTek",
        "cveId": "CVE-2023-20795",
        "datePublished": "2023-08-07T03:21:27.667Z",
        "dateReserved": "2022-10-28T02:03:10.781Z",
        "dateUpdated": "2024-10-22T19:14:46.616Z",
        "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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