CVE-2020-9819 (GCVE-0-2020-9819)

Vulnerability from cvelistv5 – Published: 2020-06-09 16:12 – Updated: 2025-12-20 04:55
VLAI CISA Previdian
Summary
A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption.
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-19 00:00 UTC
CWE
  • Processing a maliciously crafted mail message may lead to heap corruption
  • CWE-787 - Out-of-bounds Write
References
Impacted products
Vendor Product Version
Apple iOS Affected: unspecified , < iOS 13.5 and iPadOS 13.5 (custom)
Create a notification for this product.
Apple iOS-1 Affected: unspecified , < iOS 12.4.7 (custom)
Create a notification for this product.
Apple watchOS Affected: unspecified , < watchOS 6.2.5 (custom)
Create a notification for this product.
Apple watchOS-1 Affected: unspecified , < watchOS 5.3.7 (custom)
Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2020-9819

Status: Confirmed

Status Updated: 2021-11-03 01:00 CET

Exploited: Yes


Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03

Scope
Notes: Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability | Affected: Apple / iOS, iPadOS, and watchOS | Description: Apple iOS, iPadOS, and watchOS Mail contains a memory corruption vulnerability that may allow heap corruption when processing a maliciously crafted mail message. | Required action: Apply updates per vendor instructions. | Due date: 2022-05-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2020-9819

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-787
Feed CISA Known Exploited Vulnerabilities Catalog
Product iOS, iPadOS, and watchOS
Due Date 2022-05-03
Date Added 2021-11-03
Vendorproject Apple
Vulnerabilityname Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability
Knownransomwarecampaignuse Unknown

References

Created: 2026-10-02 08:10 CEST | Updated: 2026-10-02 08:10 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2020-9819

Status: Confirmed

Status Updated: 2021-11-03 01:00 CET

Exploited: Yes


Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03

Scope
Notes: A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5,... | Affected: Apple / iOS, iOS-1, watchOS, watchOS-1 | CVSS: 4.3 (MEDIUM) | EPSS: 0.02178 | Used in malware: unknown | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian


Details
Feed Previdian (previdian.com)
Title A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5,...
Cve Id CVE-2020-9819
Vendor Apple
Ghsa Id None
Product iOS, iOS-1, watchOS, watchOS-1
Added Date 2021-11-03T00:00:00.000Z
Cvss Score 4.3
Epss Score 0.02178
Previous Ids
Cvss Severity MEDIUM
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.81677
Used In Malware unknown
Vulnerability Id CVE-2020-9819
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False

References

Created: 2026-10-02 09:10 CEST | Updated: 2026-10-02 09:10 CEST
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:43:05.138Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.apple.com/HT211168"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.apple.com/HT211175"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.apple.com/HT211169"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.apple.com/HT211176"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 4.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-9819",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-19T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2021-11-03",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9819"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-787",
                "description": "CWE-787 Out-of-bounds Write",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-20T04:55:57.815Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9819"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "iOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "iOS 13.5 and iPadOS 13.5",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "iOS-1",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "iOS 12.4.7",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "watchOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "watchOS 6.2.5",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "watchOS-1",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "watchOS 5.3.7",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Processing a maliciously crafted mail message may lead to heap corruption",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-10-16T16:18:04.000Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.apple.com/HT211168"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.apple.com/HT211175"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.apple.com/HT211169"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.apple.com/HT211176"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "product-security@apple.com",
          "ID": "CVE-2020-9819",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "iOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "iOS 13.5 and iPadOS 13.5"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "iOS-1",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "iOS 12.4.7"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "watchOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "watchOS 6.2.5"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "watchOS-1",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "watchOS 5.3.7"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Apple"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Processing a maliciously crafted mail message may lead to heap corruption"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.apple.com/HT211168",
              "refsource": "MISC",
              "url": "https://support.apple.com/HT211168"
            },
            {
              "name": "https://support.apple.com/HT211175",
              "refsource": "MISC",
              "url": "https://support.apple.com/HT211175"
            },
            {
              "name": "https://support.apple.com/HT211169",
              "refsource": "MISC",
              "url": "https://support.apple.com/HT211169"
            },
            {
              "name": "https://support.apple.com/HT211176",
              "refsource": "MISC",
              "url": "https://support.apple.com/HT211176"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2020-9819",
    "datePublished": "2020-06-09T16:12:28.000Z",
    "dateReserved": "2020-03-02T00:00:00.000Z",
    "dateUpdated": "2025-12-20T04:55:57.815Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-9819",
      "date": "2026-10-02",
      "epss": "0.02178",
      "percentile": "0.81697"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "iOS",
                "vendor": "Apple",
                "versions": [
                  {
                    "lessThan": "iOS 13.5 and iPadOS 13.5",
                    "status": "affected",
                    "version": "unspecified",
                    "versionType": "custom"
                  }
                ]
              },
              {
                "product": "iOS-1",
                "vendor": "Apple",
                "versions": [
                  {
                    "lessThan": "iOS 12.4.7",
                    "status": "affected",
                    "version": "unspecified",
                    "versionType": "custom"
                  }
                ]
              },
              {
                "product": "watchOS",
                "vendor": "Apple",
                "versions": [
                  {
                    "lessThan": "watchOS 6.2.5",
                    "status": "affected",
                    "version": "unspecified",
                    "versionType": "custom"
                  }
                ]
              },
              {
                "product": "watchOS-1",
                "vendor": "Apple",
                "versions": [
                  {
                    "lessThan": "watchOS 5.3.7",
                    "status": "affected",
                    "version": "unspecified",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "product-security@apple.com"
          }
        ],
        "cisaActionDue": "2022-05-03",
        "cisaExploitAdd": "2021-11-03",
        "cisaRequiredAction": "Apply updates per vendor instructions.",
        "cisaVulnerabilityName": "Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability",
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9145C3CB-429B-4FB8-A0AC-B543E9FFF938",
                    "versionEndExcluding": "13.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0ACD1157-AD87-4487-897F-009FC3204A2A",
                    "versionEndExcluding": "12.4.7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "05AF2126-2012-4A6A-BF40-2870D87C85D8",
                    "versionEndExcluding": "13.5",
                    "versionStartIncluding": "13.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "3EC6365F-4E95-46F1-9FFD-E41BC8BFEAAA",
                    "versionEndExcluding": "5.3.7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4958B539-A747-4BCC-ACAD-CAA119EF7E64",
                    "versionEndExcluding": "6.2.5",
                    "versionStartIncluding": "6.0.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption."
          },
          {
            "lang": "es",
            "value": "Se abord\u00f3 un problema de consumo de memoria con un manejo de la memoria mejorado. Este problema es corregido en iOS versi\u00f3n 13.5 y iPadOS versi\u00f3n 13.5, iOS 12.4.7, watchOS versi\u00f3n 6.2.5, watchOS 5.3.7. El procesamiento de un mensaje de correo electr\u00f3nico dise\u00f1ado con fines maliciosos puede conllevar a una corrupci\u00f3n de la pila"
          }
        ],
        "id": "CVE-2020-9819",
        "lastModified": "2026-06-17T03:28:37.767",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 4.3,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 4.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 1.4,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 4.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 1.4,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2020-9819",
                "options": [
                  {
                    "exploitation": "active"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-19T00:00:00+00:00",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2020-06-09T17:15:13.377",
        "references": [
          {
            "source": "product-security@apple.com",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://support.apple.com/HT211168"
          },
          {
            "source": "product-security@apple.com",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://support.apple.com/HT211169"
          },
          {
            "source": "product-security@apple.com",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://support.apple.com/HT211175"
          },
          {
            "source": "product-security@apple.com",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://support.apple.com/HT211176"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://support.apple.com/HT211168"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://support.apple.com/HT211169"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://support.apple.com/HT211175"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://support.apple.com/HT211176"
          },
          {
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "tags": [
              "US Government Resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9819"
          }
        ],
        "sourceIdentifier": "product-security@apple.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-04T10:43:05.138Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://support.apple.com/HT211168"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://support.apple.com/HT211175"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://support.apple.com/HT211169"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://support.apple.com/HT211176"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
                  "availabilityImpact": "LOW",
                  "baseScore": 4.3,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "NONE",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "NONE",
                  "scope": "UNCHANGED",
                  "userInteraction": "REQUIRED",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2020-9819",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-12-19T14:43:02.232450Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9819"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-787",
                    "description": "CWE-787 Out-of-bounds Write",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-01-29T17:27:54.602Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9819"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "iOS",
              "vendor": "Apple",
              "versions": [
                {
                  "lessThan": "iOS 13.5 and iPadOS 13.5",
                  "status": "affected",
                  "version": "unspecified",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "iOS-1",
              "vendor": "Apple",
              "versions": [
                {
                  "lessThan": "iOS 12.4.7",
                  "status": "affected",
                  "version": "unspecified",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "watchOS",
              "vendor": "Apple",
              "versions": [
                {
                  "lessThan": "watchOS 6.2.5",
                  "status": "affected",
                  "version": "unspecified",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "watchOS-1",
              "vendor": "Apple",
              "versions": [
                {
                  "lessThan": "watchOS 5.3.7",
                  "status": "affected",
                  "version": "unspecified",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Processing a maliciously crafted mail message may lead to heap corruption",
                  "lang": "en",
                  "type": "text"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2020-10-16T16:18:04.000Z",
            "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
            "shortName": "apple"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://support.apple.com/HT211168"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://support.apple.com/HT211175"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://support.apple.com/HT211169"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://support.apple.com/HT211176"
            }
          ],
          "x_legacyV4Record": {
            "CVE_data_meta": {
              "ASSIGNER": "product-security@apple.com",
              "ID": "CVE-2020-9819",
              "STATE": "PUBLIC"
            },
            "affects": {
              "vendor": {
                "vendor_data": [
                  {
                    "product": {
                      "product_data": [
                        {
                          "product_name": "iOS",
                          "version": {
                            "version_data": [
                              {
                                "version_affected": "\u003c",
                                "version_value": "iOS 13.5 and iPadOS 13.5"
                              }
                            ]
                          }
                        },
                        {
                          "product_name": "iOS-1",
                          "version": {
                            "version_data": [
                              {
                                "version_affected": "\u003c",
                                "version_value": "iOS 12.4.7"
                              }
                            ]
                          }
                        },
                        {
                          "product_name": "watchOS",
                          "version": {
                            "version_data": [
                              {
                                "version_affected": "\u003c",
                                "version_value": "watchOS 6.2.5"
                              }
                            ]
                          }
                        },
                        {
                          "product_name": "watchOS-1",
                          "version": {
                            "version_data": [
                              {
                                "version_affected": "\u003c",
                                "version_value": "watchOS 5.3.7"
                              }
                            ]
                          }
                        }
                      ]
                    },
                    "vendor_name": "Apple"
                  }
                ]
              }
            },
            "data_format": "MITRE",
            "data_type": "CVE",
            "data_version": "4.0",
            "description": {
              "description_data": [
                {
                  "lang": "eng",
                  "value": "A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5, watchOS 5.3.7. Processing a maliciously crafted mail message may lead to heap corruption."
                }
              ]
            },
            "problemtype": {
              "problemtype_data": [
                {
                  "description": [
                    {
                      "lang": "eng",
                      "value": "Processing a maliciously crafted mail message may lead to heap corruption"
                    }
                  ]
                }
              ]
            },
            "references": {
              "reference_data": [
                {
                  "name": "https://support.apple.com/HT211168",
                  "refsource": "MISC",
                  "url": "https://support.apple.com/HT211168"
                },
                {
                  "name": "https://support.apple.com/HT211175",
                  "refsource": "MISC",
                  "url": "https://support.apple.com/HT211175"
                },
                {
                  "name": "https://support.apple.com/HT211169",
                  "refsource": "MISC",
                  "url": "https://support.apple.com/HT211169"
                },
                {
                  "name": "https://support.apple.com/HT211176",
                  "refsource": "MISC",
                  "url": "https://support.apple.com/HT211176"
                }
              ]
            }
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "assignerShortName": "apple",
        "cveId": "CVE-2020-9819",
        "datePublished": "2020-06-09T16:12:28.000Z",
        "dateReserved": "2020-03-02T00:00:00.000Z",
        "dateUpdated": "2025-12-20T04:55:57.815Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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…

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…