CVE-2020-9883
Status: ModifiedHigh (7.8)—
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Processing a maliciously crafted image may lead to arbitrary code execution.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Base score: 7.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 5.96%
- Percentile among all scored CVEs: 93
- Score date: 10/7/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (8)
CWEs
- CWE-120
References
- http://seclists.org/fulldisclosure/2020/Dec/32
- https://support.apple.com/kb/HT211288
- https://support.apple.com/kb/HT211289
- https://support.apple.com/kb/HT211290
- https://support.apple.com/kb/HT211291
- https://support.apple.com/kb/HT211293
- https://support.apple.com/kb/HT211294
- https://support.apple.com/kb/HT211295
- https://support.apple.com/kb/HT211931
- https://www.zerodayinitiative.com/advisories/ZDI-20-1389/
- http://seclists.org/fulldisclosure/2020/Dec/32
- https://support.apple.com/kb/HT211288
- https://support.apple.com/kb/HT211289
- https://support.apple.com/kb/HT211290
- https://support.apple.com/kb/HT211291
- https://support.apple.com/kb/HT211293
- https://support.apple.com/kb/HT211294
- https://support.apple.com/kb/HT211295
- https://support.apple.com/kb/HT211931
- https://www.zerodayinitiative.com/advisories/ZDI-20-1389/
Raw JSON (NVD)
Show
{
"id": "CVE-2020-9883",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "product-security@apple.com",
"affectedData": [
{
"vendor": "Apple",
"product": "iOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "iOS 13.6 and iPadOS 13.6",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "macOS Catalina 10.15.6",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "tvOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "tvOS 13.4.8",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "watchOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "watchOS 6.2.8",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "iTunes for Windows",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "iTunes 12.10.8 for Windows",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "iCloud for Windows",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "iCloud for Windows 11.3",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "iCloud for Windows (Legacy)",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "iCloud for Windows 7.20",
"versionType": "custom"
}
]
}
]
}
],
"published": "2020-10-22T18:15:15.177",
"references": [
{
"url": "http://seclists.org/fulldisclosure/2020/Dec/32",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT211288",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT211289",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT211290",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT211291",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT211293",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT211294",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT211295",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT211931",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1389/",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "product-security@apple.com"
},
{
"url": "http://seclists.org/fulldisclosure/2020/Dec/32",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT211288",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT211289",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT211290",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT211291",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT211293",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT211294",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT211295",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT211931",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1389/",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-120"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Processing a maliciously crafted image may lead to arbitrary code execution."
},
{
"lang": "es",
"value": "Se abordó un problema de desbordamiento del búfer con un manejo de la memoria mejorada. Este problema es corregido en iOS versión 13.6 y iPadOS versión 13.6, macOS Catalina versión 10.15.6, tvOS versión 13.4.8, watchOS versión 6.2.8, iTunes versión 12.10.8 para Windows, iCloud para Windows versión 11.3, iCloud para Windows versión 7.20. El procesamiento de una imagen diseñada maliciosamente puede conllevar a una ejecución de código arbitraria"
}
],
"lastModified": "2026-06-17T03:28:44.523",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "5B3BB46F-F586-4A2B-91C6-4D3AA226B478",
"versionEndExcluding": "7.20"
},
{
"criteria": "cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "5DBDFC69-1F0F-40E9-833E-FBFB92DF0541",
"versionEndExcluding": "11.3",
"versionStartIncluding": "10.0"
},
{
"criteria": "cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "B626717E-0DED-4C76-B92D-D58AB27EED01",
"versionEndExcluding": "12.10.8"
},
{
"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "87D68071-5235-4B50-90F0-B55B0C668840",
"versionEndExcluding": "13.6"
},
{
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0639A5DE-4A59-4F10-A0E7-F6B933E44D47",
"versionEndExcluding": "13.6"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "760AE295-2E39-4DA3-A384-01A5D4A131AD",
"versionEndExcluding": "10.13.6",
"versionStartIncluding": "10.13"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6DE2B03F-94EE-4E32-B366-FE31A7031403",
"versionEndExcluding": "10.14.6",
"versionStartIncluding": "10.14"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4B5F6281-877C-491C-9C4A-C28C604FB422",
"versionEndExcluding": "10.15.6",
"versionStartIncluding": "10.15"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "297D2D0C-EA9D-4B2C-9357-D88DB6C7143A"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0D845143-1B4D-478B-B83E-8F1664CBCAC3"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "23C6DF6A-9A30-4F9E-BD9C-C19D8551C6DA"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "754A2DF4-8724-4448-A2AB-AC5442029CB7"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D392C777-1949-4920-B459-D083228E4688"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "68B0A232-F2A4-4B87-99EB-3A532DFA87DA"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-004:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0DF528F7-0F1E-4E55-A088-91327E3C360C"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-005:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E222445A-D398-47C8-9639-4BAE36B69AA1"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-006:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9425DAC8-038D-4B09-A074-3780AED912FA"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-007:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8EA63C1C-1EEC-4961-A7B7-439D21293B99"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-001:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B2F5D631-2306-4526-BEE5-22456D95ABAB"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-002:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F79B7361-F2F2-4FA6-A27D-CC8F2D37A726"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-003:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "09FA5087-C576-483F-B660-F9D155933CC8"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "693E7DAE-BBF0-4D48-9F8A-20DDBD4AAC0C"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CFE26ECC-A2C2-4501-9950-510DE0E1BD86"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "26108BEF-0847-4AB0-BD98-35344DFA7835"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A369D48B-6A0A-47AE-9513-D5E2E6F30931"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "510F8317-94DA-498E-927A-83D5F41AF54A"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0D5D1970-6D2A-42CA-A203-42023D71730D"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C68AE52B-5139-40A4-AE9A-E752DBF07D1B"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0FD3467D-7679-479F-9C0B-A93F7CD0929D"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D4C6098E-EDBD-4A85-8282-B2E9D9333872"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "518BB47B-DD76-4E8C-9F10-7EBC1E146191"
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "76BFC9D4-7D15-4C23-A54A-3F5A0B8BC542",
"versionEndExcluding": "11.0.1",
"versionStartIncluding": "11.0"
},
{
"criteria": "cpe:2.3:o:apple:macos:11.0.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "96C3F2DF-96A5-40F2-B5C7-E961C2EE4489"
},
{
"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "888463CA-9C67-46B2-B197-DDD3A668F980",
"versionEndExcluding": "13.4.8"
},
{
"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "494FA012-A268-42FC-B023-2A10817B1096",
"versionEndExcluding": "6.2.8"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "product-security@apple.com"
}