CVE-2025-20771 (GCVE-0-2025-20771)

Vulnerability from cvelistv5 – Published: 2025-12-02 02:34 – Updated: 2026-02-26 16:57
VLAI
Summary
In display, there is a possible escalation of privilege due to improper input validation. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10196993; Issue ID: MSV-4802.
Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-03 04:55 UTC
CWE
  • CWE-457 - Use of Uninitialized Variable
Assigner
MediaTek CNA under the mitre root
CNA scorecard D 45/100 over 100 records in the last 180 days details
References
Impacted products
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "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-2025-20771",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-03T04:55:24.534518Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T16:57:43.657Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793",
          "vendor": "MediaTek, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "Android 14.0, 15.0, 16.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In display, there is a possible escalation of privilege due to improper input validation. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10196993; Issue ID: MSV-4802."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-457",
              "description": "CWE-457 Use of Uninitialized Variable",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-02T02:34:39.013Z",
        "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "shortName": "MediaTek"
      },
      "references": [
        {
          "url": "https://corp.mediatek.com/product-security-bulletin/December-2025"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
    "assignerShortName": "MediaTek",
    "cveId": "CVE-2025-20771",
    "datePublished": "2025-12-02T02:34:39.013Z",
    "dateReserved": "2024-11-01T01:21:50.399Z",
    "dateUpdated": "2026-02-26T16:57:43.657Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-20771",
      "date": "2026-10-17",
      "epss": "0.00082",
      "percentile": "0.002"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793",
                "vendor": "MediaTek, Inc.",
                "versions": [
                  {
                    "status": "affected",
                    "version": "Android 14.0, 15.0, 16.0"
                  }
                ]
              }
            ],
            "source": "security@mediatek.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2700BCC5-634D-4EC6-AB67-5B678D5F951D",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:google:android:16.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2D49E611-5D53-479D-A981-42388FDC0E8D",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F5506327-7DDF-4E88-9EA8-10B8E32F848B",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7FA8A390-9F52-4CF3-9B45-936CE3E2B828",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F726F486-A86F-4215-AD93-7A07A071844A",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "43E779F6-F0A0-4153-9A1D-B715C3A2F80E",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "06CD97E1-8A76-48B4-9780-9698EF5A960F",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C4EEE021-6B2A-47A0-AC6B-55525A40D718",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8B9B0D82-82C1-4A77-A016-329B99C45F49",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9814939B-F05E-4870-90C0-7C0F6BAAEB39",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "19A63103-C708-48EC-B44D-5E465A6B79C5",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "366F1912-756B-443E-9962-224937DD7DFB",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "89AFEE24-7AAD-4EDB-8C3E-EDBA3240730A",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7CA9352F-E9BD-4656-9B7C-4AFEE2C78E58",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "855A8046-34ED-4891-ACE5-76AB10AC8D53",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "704BE5CE-AE08-4432-A8B0-4C8BD62148AD",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "15E2EC3F-9FB3-488B-B1C1-2793A416C755",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DD64413C-C774-4C4F-9551-89E1AA9469EE",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "AF3E2B84-DAFE-4E11-B23B-026F719475F5",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "3B787DC3-8E5A-4968-B20B-37B6257FAAE2",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "213B5C7F-D965-4312-9CDF-4F06FA77D401",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E0CA45C9-7BFE-4C93-B2AF-B86501F763AB",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2A7D8055-F4B6-41EE-A078-11D56285AB66",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C6E9F80F-9AC9-41E0-BB14-9DB6F14B62CD",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "EB6B9A26-F8A1-4322-AA4E-CDF8F7D99000",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "EA72CCD1-DEA2-48EB-8781-04CFDD41AAEE",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "AD7DE6B2-66D9-4A3E-B15F-D56505559255",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "CBBB30DF-E963-4940-B742-F6801F68C3FC",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FB0C4D80-28BC-4C4D-B522-AD9EC5222A2E",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "EE302F6F-170E-4350-A8F4-65BE0C50CB78",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "152A5F3D-8004-4649-BDB1-E6F0798AF1CB",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "336FC69E-E89F-4642-B6B9-8009D9A2BD52",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2FBD3487-F8CE-406C-8BD7-DD57FF8CD60B",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In display, there is a possible escalation of privilege due to improper input validation. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10196993; Issue ID: MSV-4802."
          },
          {
            "lang": "es",
            "value": "En la visualizaci\u00f3n, existe una posible escalada de privilegios debido a una validaci\u00f3n de entrada incorrecta. Esto podr\u00eda conducir a una escalada local de privilegios si un actor malicioso ya ha obtenido los privilegios del Sistema. No se requiere interacci\u00f3n del usuario para la explotaci\u00f3n. ID del parche: ALPS10196993; ID del problema: MSV-4802."
          }
        ],
        "id": "CVE-2025-20771",
        "lastModified": "2026-06-17T08:42:02.453",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "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"
              },
              "exploitabilityScore": 0.8,
              "impactScore": 5.9,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2025-20771",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-03T04:55:24.534518Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2025-12-02T03:16:18.627",
        "references": [
          {
            "source": "security@mediatek.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://corp.mediatek.com/product-security-bulletin/December-2025"
          }
        ],
        "sourceIdentifier": "security@mediatek.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-457"
              }
            ],
            "source": "security@mediatek.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T08:53:08+00:00",
      "cve": "CVE-2025-20771",
      "id": "CVE-2025-20771",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2025-20771",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-20771.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "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-2025-20771",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-12-03T04:55:24.534518Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-12-02T13:53:42.975Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "MT2718, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8196, MT8676, MT8678, MT8792, MT8793",
              "vendor": "MediaTek, Inc.",
              "versions": [
                {
                  "status": "affected",
                  "version": "Android 14.0, 15.0, 16.0"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In display, there is a possible escalation of privilege due to improper input validation. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10196993; Issue ID: MSV-4802."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-457",
                  "description": "CWE-457 Use of Uninitialized Variable",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-12-02T02:34:39.013Z",
            "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
            "shortName": "MediaTek"
          },
          "references": [
            {
              "url": "https://corp.mediatek.com/product-security-bulletin/December-2025"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "assignerShortName": "MediaTek",
        "cveId": "CVE-2025-20771",
        "datePublished": "2025-12-02T02:34:39.013Z",
        "dateReserved": "2024-11-01T01:21:50.399Z",
        "dateUpdated": "2026-02-26T16:57:43.657Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    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.