CVE-2020-9859 Details
Description
A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. An application may be able to execute arbitrary code with kernel privileges.
A memory consumption vulnerability allowing arbitrary code execution with kernel privileges has been identified in multiple Apple products, including iOS, iPadOS, macOS, watchOS, and tvOS. This issue arises from inadequate memory management, leading to excessive memory usage. The vulnerability has been addressed in iOS 13.5.1, iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, and watchOS 6.2.6.
Users are advised to update to the latest versions of iOS, iPadOS, macOS, tvOS, or watchOS, depending on their device. Instructions for updating can be found on the Apple Support website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 29, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9859 | CISA-ADP | US Government Resource |
| https://support.apple.com/HT211214 | CVE | Release NotesVendor Advisory |
| https://support.apple.com/HT211214 | [email protected] | Release NotesVendor Advisory |
This CVE is in CISA's Known Exploited Vulnerabilities Catalog
Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.
| Vulnerability Name | Date Added | Due Date | Required Action |
|---|---|---|---|
| Apple Multiple Products Code Execution Vulnerability | Nov 3, 2021 | May 3, 2022 | Apply updates per vendor instructions. |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-415 | Double Free | [email protected] |
| CWE-415 | Double Free | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple ipados | < 13.5.1 |
CPE
Remediation
| |
| apple iphone os | < 13.5.1 |
CPE
Remediation
| |
| apple mac os x | < 10.15.5 |
CPE
Remediation
| |
| apple tvos | < 13.4.6 |
CPE
Remediation
| |
| apple watchos | < 6.2.6 |
CPE
Remediation
| |
Change History
14 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Oct 23, 2025 | Modified Analysis | [email protected] |
| Oct 22, 2025 | CVE Modified | CISA-ADP |
| Oct 21, 2025 | CVE Modified | CISA-ADP |
| Oct 21, 2025 | CVE Modified | CISA-ADP |
| Feb 28, 2025 | Modified Analysis | [email protected] |
| Jan 29, 2025 | CVE Modified | CISA-ADP |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Jan 9, 2023 | CPE Deprecation Remap | [email protected] |
| Jul 12, 2022 | CWE Remap | [email protected] |
| Jul 21, 2021 | CWE Remap | [email protected] |
| Jun 9, 2020 | Initial Analysis | [email protected] |