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

CVE-2021-39981 (GCVE-0-2021-39981)

Vulnerability from cvelistv5 – Published: 2022-01-03 21:07 – Updated: 2024-08-04 02:20
VLAI
Summary
Chang Lian application has a vulnerability which can be maliciously exploited to hide the calling number.Successful exploitation of this vulnerability allows you to make an anonymous call.
CWE
  • Security Features
References
Impacted products
Vendor Product Version CPE status
Huawei HarmonyOS Affected: 2.0
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:20:34.371Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202110-0000001162998526"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "HarmonyOS",
          "vendor": "Huawei",
          "versions": [
            {
              "status": "affected",
              "version": "2.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Chang Lian application has a vulnerability which can be maliciously exploited to hide the calling number.Successful exploitation of this vulnerability allows you to make an anonymous call."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Security Features",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-03T21:07:25.000Z",
        "orgId": "25ac1063-e409-4190-8079-24548c77ea2e",
        "shortName": "huawei"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202110-0000001162998526"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@huawei.com",
          "ID": "CVE-2021-39981",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "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": "Chang Lian application has a vulnerability which can be maliciously exploited to hide the calling number.Successful exploitation of this vulnerability allows you to make an anonymous call."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Security Features"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202110-0000001162998526",
              "refsource": "MISC",
              "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202110-0000001162998526"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "25ac1063-e409-4190-8079-24548c77ea2e",
    "assignerShortName": "huawei",
    "cveId": "CVE-2021-39981",
    "datePublished": "2022-01-03T21:07:25.000Z",
    "dateReserved": "2021-08-23T00:00:00.000Z",
    "dateUpdated": "2024-08-04T02:20:34.371Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-39981",
      "date": "2026-09-20",
      "epss": "0.00469",
      "percentile": "0.39739"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "3AD62E8B-CB4B-43A6-98E8-09A8A1A3505B",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Chang Lian application has a vulnerability which can be maliciously exploited to hide the calling number.Successful exploitation of this vulnerability allows you to make an anonymous call."
        },
        {
          "lang": "es",
          "value": "La aplicaci\u00f3n Chang Lian presenta una vulnerabilidad que puede ser explotada maliciosamente para ocultar el n\u00famero de llamada. Una explotaci\u00f3n con \u00e9xito de esta vulnerabilidad permite realizar una llamada an\u00f3nima"
        }
      ],
      "id": "CVE-2021-39981",
      "lastModified": "2024-11-21T06:20:40.680",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "MEDIUM",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "NONE",
              "baseScore": 4.3,
              "confidentialityImpact": "NONE",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
              "version": "2.0"
            },
            "exploitabilityScore": 8.6,
            "impactScore": 2.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ],
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
              "version": "3.1"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 1.4,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2022-01-03T22:15:10.627",
      "references": [
        {
          "source": "psirt@huawei.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202110-0000001162998526"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202110-0000001162998526"
        }
      ],
      "sourceIdentifier": "psirt@huawei.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "NVD-CWE-noinfo"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "3AD62E8B-CB4B-43A6-98E8-09A8A1A3505B",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Chang Lian application has a vulnerability which can be maliciously exploited to hide the calling number.Successful exploitation of this vulnerability allows you to make an anonymous call."
          },
          {
            "lang": "es",
            "value": "La aplicaci\u00f3n Chang Lian presenta una vulnerabilidad que puede ser explotada maliciosamente para ocultar el n\u00famero de llamada. Una explotaci\u00f3n con \u00e9xito de esta vulnerabilidad permite realizar una llamada an\u00f3nima"
          }
        ],
        "id": "CVE-2021-39981",
        "lastModified": "2024-11-21T06:20:40.680",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 4.3,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 1.4,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2022-01-03T22:15:10.627",
        "references": [
          {
            "source": "psirt@huawei.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202110-0000001162998526"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202110-0000001162998526"
          }
        ],
        "sourceIdentifier": "psirt@huawei.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:36:25+00:00",
      "cve": "CVE-2021-39981",
      "id": "CVE-2021-39981",
      "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-2021-39981",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-39981.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…