PT-2020-20836 · Apple · Tvos+4

Suryansh Mansharamani · Published 2020-10-16 · Updated 2023-01-09 · CVE-2020-9885

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions iOS versions prior to 13.6 iPadOS versions prior to 13.6 macOS Catalina versions prior to 10.15.6 tvOS versions prior to 13.4.8 watchOS versions prior to 6.2.8

Description An issue existed in the handling of iMessage tapbacks, which was resolved with additional verification. A user that is removed from an iMessage group could rejoin the group.

Recommendations For iOS versions prior to 13.6, update to iOS 13.6 or later. For iPadOS versions prior to 13.6, update to iPadOS 13.6 or later. For macOS Catalina versions prior to 10.15.6, update to macOS Catalina 10.15.6 or later. For tvOS versions prior to 13.4.8, update to tvOS 13.4.8 or later. For watchOS versions prior to 6.2.8, update to watchOS 6.2.8 or later.

Fix

Insufficient Verification of Data Authenticity

Weakness Enumeration

CWE-345

Related Identifiers

CVE-2020-9885

Affected Products

Ios

Ipados

Macos Catalina

Tvos

Watchos

References · 7

• https://support.apple.com/HT211290 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-9885 · Security Note
• https://support.apple.com/HT211291 · Vendor Advisory
• https://support.apple.com/HT211289 · Vendor Advisory
• https://support.apple.com/HT211288 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-9885 · Vendor Advisory
• https://t.me/cibsecurity/15331 · Telegram Post