PT-2020-20907 · Apple · Apple Macos+4

R3Df09 + 1 · Published 2020-11-12 · Updated 2021-06-29 · CVE-2020-9971

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions watchOS versions prior to 7.0 tvOS versions prior to 14.0 iOS versions prior to 14.0 iPadOS versions prior to 14.0 macOS versions prior to Big Sur 11.0.1

Description A logic issue was addressed with improved validation. This issue may allow a malicious application to elevate privileges. The issue is related to the XPC Service mechanism, which can be abused to elevate privilege in macOS and iOS.

Recommendations For watchOS versions prior to 7.0, update to watchOS 7.0 or later. For tvOS versions prior to 14.0, update to tvOS 14.0 or later. For iOS versions prior to 14.0, update to iOS 14.0 or later. For iPadOS versions prior to 14.0, update to iPadOS 14.0 or later. For macOS versions prior to Big Sur 11.0.1, update to macOS Big Sur 11.0.1 or later.

Fix

Related Identifiers

CVE-2020-9971

Affected Products

Apple Macos

Ios

Ipados

Tvos

Watchos

References · 14

• https://osv.dev/vulnerability/CVE-2020-9971 · Vendor Advisory
• https://support.apple.com/en-us/HT211844 · Vendor Advisory
• https://support.apple.com/en-us/HT211843 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-9971 · Security Note
• https://support.apple.com/en-us/HT211931 · Vendor Advisory
• https://support.apple.com/en-us/HT211850 · Vendor Advisory
• https://t.me/defcon_news/66654 · Telegram Post
• https://t.me/secharvester/10469 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9971 · Note
• https://t.me/cybersecuritytechnologies/3721 · Telegram Post
• https://t.me/rnetsec/14194 · Telegram Post
• https://support.apple.com/en-us/102846 · Note
• https://t.me/cybersecuritytechnologies/2485 · Telegram Post
• https://t.me/cvenotify/12546 · Telegram Post