CVEvulnerability
CVE-2020-9859
CISA Known Exploited Vulnerability
Apple Multiple Products Code Execution Vulnerability — Apple Multiple Products
Apple iOS, iPadOS, macOS, watchOS, and tvOS contain an unspecified vulnerability that may allow an application to execute code with kernel privileges.
- Added to KEV
- 2021-11-03
- Remediation due
- 2022-05-03
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2020-9859
- Status
- Analyzed
- Published
- 2020-06-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-415
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.
Affected configurations
• apple ipados (< 13.5.1)
• apple iphone os (< 13.5.1)
• apple mac os x (< 10.15.5)
• apple tvos (< 13.4.6)
• apple watchos (< 6.2.6)
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- https://support.apple.com/HT211214 Release Notes, Vendor Advisory
- https://support.apple.com/HT211214 Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9859 US Government Resource