Vulnerability-Lookup

FKIE_CVE-2021-30683

Vulnerability from fkie_nvd - Published: 2021-09-08 15:15 - Updated: 2026-06-17 03:50

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A malicious application could execute arbitrary code leading to compromise of user information.

References

URL	Tags
product-security@apple.com	https://support.apple.com/en-us/HT212529	Release Notes, Vendor Advisory
product-security@apple.com	https://support.apple.com/en-us/HT212530	Release Notes, Vendor Advisory
product-security@apple.com	https://support.apple.com/en-us/HT212531	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.apple.com/en-us/HT212529	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.apple.com/en-us/HT212530	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.apple.com/en-us/HT212531	Release Notes, Vendor Advisory

Impacted products

Vendor	Product	Version
apple	mac_os_x	*
apple	mac_os_x	*
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	macos	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "11.4",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "2021",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "2021",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "product-security@apple.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2C8F61A6-35EE-4FE8-A6D7-B8BBFDB9695A",
              "versionEndIncluding": "10.14.5",
              "versionStartIncluding": "10.14",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "141A3268-DBD7-4F40-8BE4-CF8D9A0DF3E1",
              "versionEndIncluding": "10.15.6",
              "versionStartIncluding": "10.15",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*",
              "matchCriteriaId": "693E7DAE-BBF0-4D48-9F8A-20DDBD4AAC0C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*",
              "matchCriteriaId": "CFE26ECC-A2C2-4501-9950-510DE0E1BD86",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*",
              "matchCriteriaId": "26108BEF-0847-4AB0-BD98-35344DFA7835",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*",
              "matchCriteriaId": "A369D48B-6A0A-47AE-9513-D5E2E6F30931",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*",
              "matchCriteriaId": "510F8317-94DA-498E-927A-83D5F41AF54A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*",
              "matchCriteriaId": "0D5D1970-6D2A-42CA-A203-42023D71730D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*",
              "matchCriteriaId": "C68AE52B-5139-40A4-AE9A-E752DBF07D1B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*",
              "matchCriteriaId": "0FD3467D-7679-479F-9C0B-A93F7CD0929D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*",
              "matchCriteriaId": "D4C6098E-EDBD-4A85-8282-B2E9D9333872",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*",
              "matchCriteriaId": "518BB47B-DD76-4E8C-9F10-7EBC1E146191",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*",
              "matchCriteriaId": "63940A55-D851-46EB-9668-D82BEFC1FE95",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*",
              "matchCriteriaId": "68C7A97A-3801-44FA-96CA-10298FA39883",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*",
              "matchCriteriaId": "6D69914D-46C7-4A0E-A075-C863C1692D33",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*",
              "matchCriteriaId": "9CDB4476-B521-43E4-A129-8718A8E0A8CD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*",
              "matchCriteriaId": "9D072B77-BE3F-4A2E-B66A-E2C8DC3781E4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*",
              "matchCriteriaId": "A4A6BF78-B772-435C-AC1A-2199027CCF9E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:*:*:*:*:*:*",
              "matchCriteriaId": "9A233DE4-D09A-4157-B852-E675889DD4C1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*",
              "matchCriteriaId": "2C88BD98-46F5-447F-963A-FB9B167E31BE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*",
              "matchCriteriaId": "C7A0615B-D958-4BBF-B53F-AA839A0FE845",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*",
              "matchCriteriaId": "A654B8A2-FC30-4171-B0BB-366CD7ED4B6A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*",
              "matchCriteriaId": "F12CC8B5-C1EB-419E-8496-B9A3864656AD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*",
              "matchCriteriaId": "F1F4BF7F-90D4-4668-B4E6-B06F4070F448",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*",
              "matchCriteriaId": "7FD7176C-F4D1-43A7-9E49-BA92CA0D9980",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*",
              "matchCriteriaId": "2703DE0B-8A9E-4A9D-9AE8-028E22BF47CA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*",
              "matchCriteriaId": "0F441A43-1669-478D-9EC8-E96882DE4F9F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*",
              "matchCriteriaId": "D425C653-37A2-448C-BF2F-B684ADB08A26",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*",
              "matchCriteriaId": "C1C795B9-E58D-467C-83A8-2D45C792292F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6178E50A-CB40-4D1B-A84C-70EBF8B060D8",
              "versionEndExcluding": "11.4",
              "versionStartIncluding": "11.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A malicious application could execute arbitrary code leading to compromise of user information."
    },
    {
      "lang": "es",
      "value": "Se abord\u00f3 un problema de uso de la memoria previamente liberada con una administraci\u00f3n de la memoria mejorada. Este problema es corregido en macOS Big Sur versi\u00f3n 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. Una aplicaci\u00f3n maliciosa pod\u00eda ejecutar c\u00f3digo arbitrario que conllevaba a comprometer la informaci\u00f3n del usuario"
    }
  ],
  "id": "CVE-2021-30683",
  "lastModified": "2026-06-17T03:50:41.223",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-08T15:15:14.410",
  "references": [
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212529"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212530"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212531"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212529"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212530"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212531"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-30683 (GCVE-0-2021-30683)

Vulnerability from cvelistv5 – Published: 2021-09-08 14:28 – Updated: 2024-08-03 22:40

Summary

Severity

No CVSS data available.

CWE

A malicious application could execute arbitrary code leading to compromise of user information

Assigner

apple mitre root

References

3 references

URL	Tags
https://support.apple.com/en-us/HT212529	x_refsource_MISC
https://support.apple.com/en-us/HT212530	x_refsource_MISC
https://support.apple.com/en-us/HT212531	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
Apple	macOS	Affected: unspecified , < 11.4 (custom)
Apple	macOS	Affected: unspecified , < 2021 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T22:40:31.864Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.apple.com/en-us/HT212529"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.apple.com/en-us/HT212530"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.apple.com/en-us/HT212531"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "11.4",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "2021",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "2021",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A malicious application could execute arbitrary code leading to compromise of user information."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "A malicious application could execute arbitrary code leading to compromise of user information",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-08T14:28:12.000Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.apple.com/en-us/HT212529"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.apple.com/en-us/HT212530"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.apple.com/en-us/HT212531"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "product-security@apple.com",
          "ID": "CVE-2021-30683",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "macOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "11.4"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "macOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "2021"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "macOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "2021"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Apple"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A malicious application could execute arbitrary code leading to compromise of user information."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "A malicious application could execute arbitrary code leading to compromise of user information"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.apple.com/en-us/HT212529",
              "refsource": "MISC",
              "url": "https://support.apple.com/en-us/HT212529"
            },
            {
              "name": "https://support.apple.com/en-us/HT212530",
              "refsource": "MISC",
              "url": "https://support.apple.com/en-us/HT212530"
            },
            {
              "name": "https://support.apple.com/en-us/HT212531",
              "refsource": "MISC",
              "url": "https://support.apple.com/en-us/HT212531"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2021-30683",
    "datePublished": "2021-09-08T14:28:12.000Z",
    "dateReserved": "2021-04-13T00:00:00.000Z",
    "dateUpdated": "2024-08-03T22:40:31.864Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

FKIE_CVE-2021-30683

CVE-2021-30683 (GCVE-0-2021-30683)

Tags

Sightings

Nomenclature

Related by attack behaviour