Home › Exploited CVEs › CVE-2020-9819
CVE-2020-9819: Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability
Apple iOS, iPadOS, and watchOS · in CISA KEV since 2021-11-03
2021-11-03added to KEV
2022-05-03federal remediation due date
2.18%EPSS exploit probability (30 days) 81.6th percentile
4.3 MEDIUMCVSS 3.1
Unknownknown ransomware use
512days from NVD publication to KEV
What it is
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 (CISA)
Apply updates per vendor instructions.
| CWE | CWE-787 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| NVD published | 2020-06-09 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2020-9819.json · all KEV CVEs
Kevscope: daily CISA KEV + EPSS datasetThe whole KEV catalog joined with daily EPSS and CVSS scores as CSV/Parquet, refreshed daily. Free to download.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.