GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2021-40051 (GCVE-0-2021-40051)

Vulnerability from cvelistv5 – Published: 2022-03-07 13:50 – Updated: 2024-08-04 02:27
VLAI
Summary
There is an unauthorized access vulnerability in system components. Successful exploitation of this vulnerability will affect confidentiality.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • Unauthorized access vulnerability
Assigner
References
Impacted products
Vendor Product Version CPE status
Huawei EMUI Affected: 12.0.0
Affected: 11.0.1
Affected: 11.0.0
Affected: 10.1.1
Affected: 10.1.0
guessed Create a notification for this product.
Huawei Magic UI Affected: 4.0.0
Affected: 3.1.1
Affected: 3.1.0
guessed Create a notification for this product.
Huawei HarmonyOS Affected: 2.0
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:27:31.416Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://consumer.huawei.com/en/support/bulletin/2022/3/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "EMUI",
          "vendor": "Huawei",
          "versions": [
            {
              "status": "affected",
              "version": "12.0.0"
            },
            {
              "status": "affected",
              "version": "11.0.1"
            },
            {
              "status": "affected",
              "version": "11.0.0"
            },
            {
              "status": "affected",
              "version": "10.1.1"
            },
            {
              "status": "affected",
              "version": "10.1.0"
            }
          ]
        },
        {
          "product": "Magic UI",
          "vendor": "Huawei",
          "versions": [
            {
              "status": "affected",
              "version": "4.0.0"
            },
            {
              "status": "affected",
              "version": "3.1.1"
            },
            {
              "status": "affected",
              "version": "3.1.0"
            }
          ]
        },
        {
          "product": "HarmonyOS",
          "vendor": "Huawei",
          "versions": [
            {
              "status": "affected",
              "version": "2.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "There is an unauthorized access vulnerability in system components. Successful exploitation of this vulnerability will affect confidentiality."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Unauthorized access vulnerability",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-03-07T13:50:41.000Z",
        "orgId": "25ac1063-e409-4190-8079-24548c77ea2e",
        "shortName": "huawei"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://consumer.huawei.com/en/support/bulletin/2022/3/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@huawei.com",
          "ID": "CVE-2021-40051",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "EMUI",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "=",
                            "version_value": "12.0.0"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "11.0.1"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "11.0.0"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "10.1.1"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "10.1.0"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Magic UI",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "=",
                            "version_value": "4.0.0"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.1.1"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "3.1.0"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "HarmonyOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "=",
                            "version_value": "2.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Huawei"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "There is an unauthorized access vulnerability in system components. Successful exploitation of this vulnerability will affect confidentiality."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Unauthorized access vulnerability"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://consumer.huawei.com/en/support/bulletin/2022/3/",
              "refsource": "MISC",
              "url": "https://consumer.huawei.com/en/support/bulletin/2022/3/"
            },
            {
              "name": "https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193",
              "refsource": "MISC",
              "url": "https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "25ac1063-e409-4190-8079-24548c77ea2e",
    "assignerShortName": "huawei",
    "cveId": "CVE-2021-40051",
    "datePublished": "2022-03-07T13:50:41.000Z",
    "dateReserved": "2021-08-23T00:00:00.000Z",
    "dateUpdated": "2024-08-04T02:27:31.416Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-40051",
      "date": "2026-09-15",
      "epss": "0.0075",
      "percentile": "0.5302"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"66AC7F91-917C-40A6-9983-A339EFB091F1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A7FF0AD1-22C2-423B-822A-E6496CEDAB02\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"0B701EC6-8208-4D22-95A6-B07D471A8A8B\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:huawei:emui:11.0.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"511F8CE2-C2B6-4A08-B992-49D9B75B8655\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A974CA73-84E8-480B-BB4C-4A81D0C985B2\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"3AD62E8B-CB4B-43A6-98E8-09A8A1A3505B\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:huawei:magic_ui:3.1.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"EFAE846A-00EA-417F-B66F-1F5396BB6139\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"B655712B-E86C-4BD2-8A99-AEA382C520E7\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"F6066FAB-23F5-4CB2-B89E-B00F8835AC39\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"There is an unauthorized access vulnerability in system components. Successful exploitation of this vulnerability will affect confidentiality.\"}, {\"lang\": \"es\", \"value\": \"Se presenta una vulnerabilidad de acceso no autorizado en los componentes del sistema. Una explotaci\\u00f3n con \\u00e9xito de esta vulnerabilidad afectar\\u00e1 a la confidencialidad\"}]",
      "id": "CVE-2021-40051",
      "lastModified": "2024-11-21T06:23:28.313",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:N/A:N\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2022-03-10T17:43:18.447",
      "references": "[{\"url\": \"https://consumer.huawei.com/en/support/bulletin/2022/3/\", \"source\": \"psirt@huawei.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193\", \"source\": \"psirt@huawei.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://consumer.huawei.com/en/support/bulletin/2022/3/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "psirt@huawei.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-40051\",\"sourceIdentifier\":\"psirt@huawei.com\",\"published\":\"2022-03-10T17:43:18.447\",\"lastModified\":\"2026-06-17T04:06:27.670\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"There is an unauthorized access vulnerability in system components. Successful exploitation of this vulnerability will affect confidentiality.\"},{\"lang\":\"es\",\"value\":\"Se presenta una vulnerabilidad de acceso no autorizado en los componentes del sistema. Una explotaci\u00f3n con \u00e9xito de esta vulnerabilidad afectar\u00e1 a la confidencialidad\"}],\"affected\":[{\"source\":\"psirt@huawei.com\",\"affectedData\":[{\"vendor\":\"Huawei\",\"product\":\"EMUI\",\"versions\":[{\"version\":\"12.0.0\",\"status\":\"affected\"},{\"version\":\"11.0.1\",\"status\":\"affected\"},{\"version\":\"11.0.0\",\"status\":\"affected\"},{\"version\":\"10.1.1\",\"status\":\"affected\"},{\"version\":\"10.1.0\",\"status\":\"affected\"}]},{\"vendor\":\"Huawei\",\"product\":\"Magic UI\",\"versions\":[{\"version\":\"4.0.0\",\"status\":\"affected\"},{\"version\":\"3.1.1\",\"status\":\"affected\"},{\"version\":\"3.1.0\",\"status\":\"affected\"}]},{\"vendor\":\"Huawei\",\"product\":\"HarmonyOS\",\"versions\":[{\"version\":\"2.0\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"66AC7F91-917C-40A6-9983-A339EFB091F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A7FF0AD1-22C2-423B-822A-E6496CEDAB02\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B701EC6-8208-4D22-95A6-B07D471A8A8B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:emui:11.0.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"511F8CE2-C2B6-4A08-B992-49D9B75B8655\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A974CA73-84E8-480B-BB4C-4A81D0C985B2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3AD62E8B-CB4B-43A6-98E8-09A8A1A3505B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:magic_ui:3.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EFAE846A-00EA-417F-B66F-1F5396BB6139\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B655712B-E86C-4BD2-8A99-AEA382C520E7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F6066FAB-23F5-4CB2-B89E-B00F8835AC39\"}]}]}],\"references\":[{\"url\":\"https://consumer.huawei.com/en/support/bulletin/2022/3/\",\"source\":\"psirt@huawei.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193\",\"source\":\"psirt@huawei.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://consumer.huawei.com/en/support/bulletin/2022/3/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:35:56+00:00",
      "cve": "CVE-2021-40051",
      "id": "CVE-2021-40051",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-40051",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-40051.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


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.