CVE-2020-9854

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5. An application may be able to gain elevated privileges.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
AppleiOS>= unspecified, < iOS 13.5 and iPadOS 13.5
ApplemacOS>= unspecified, < macOS Catalina 10.15.5
AppletvOS>= unspecified, < tvOS 13.4.5

References

Timeline

Published
Oct 22, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-98557.8A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed iCVE-2020-98565.3This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. An application may be able to gain elevated prCVE-2020-98574.3An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.1CVE-2020-98587.8A dynamic library loading issue was addressed with improved path searching. This issue is fixed in Windows Migration Assistant 2.2.0.0 (v. 1CVE-2020-98597.8A 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 CVE-2020-98605.4A custom URL scheme handling issue was addressed with improved input validation. This issue is fixed in Safari 13.0.5. Processing a maliciouCVE-2020-98617.5A stack overflow issue existed in Swift for Linux. The issue was addressed with improved input validation for dealing with deeply nested malCVE-2020-98627.8A command injection issue existed in Web Inspector. This issue was addressed with improved escaping. This issue is fixed in iOS 13.6 and iPaCVE-2020-98637.8A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 1CVE-2020-98649.8A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.6. An application may be able to executeCVE-2020-98658.6A memory corruption issue was addressed by removing the vulnerable code. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.CVE-2020-98669.8A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.6, Security Update 2020-004 Mojav
CVE-2020-9854: High severity, CVSS 7.8 | Vulnix