CVE-2020-3837
Apple iOS, iPadOS, macOS, tvOS, and watchOS contain a memory corruption vulnerability that could allow an application to execute code with kernel…
Browse: All 2020 CVEs · All vendors
- CISA KEV
- Yes — actively exploited (added 2022-06-27, remediation due 2022-07-18)
- Weakness (CWE)
- CWE-787
Description
Apple iOS, iPadOS, macOS, tvOS, and watchOS contain a memory corruption vulnerability that could allow an application to execute code with kernel privileges.
Affected products
- Apple Multiple Products
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2022-07-18.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
FAQ
Is CVE-2020-3837 actively exploited?
Yes. CISA added CVE-2020-3837 to its Known Exploited Vulnerabilities (KEV) catalog on 2022-06-27, with a federal remediation deadline of 2022-07-18. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2020-3837?
CVE-2020-3837 has no published CVSS base score yet — NVD analysis can lag disclosure. Check the vendor references for an interim severity.
Related vulnerabilities
- CVE-2025-43510 — Apple Multiple Products
- CVE-2025-43520 — Apple Multiple Products
- CVE-2025-31277 — Apple Multiple Products
- CVE-2023-43000 — Apple Multiple Products
- CVE-2021-30952 — Apple Multiple Products
- CVE-2026-20700 — Apple Multiple Products
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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