Vulnerability Name:

CVE-2020-9849 (CCN-191627)

Assigned:2020-11-12
Published:2020-11-12
Updated:2021-03-09
Summary:An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0. A remote attacker may be able to leak memory.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-9849

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1

Source: XF
Type: UNKNOWN
apple-macos-cve20209849-info-disc(191627)

Source: MLIST
Type: Mailing List, Third Party Advisory
[mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jar

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211843

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211844

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211850

Source: CCN
Type: Apple security document HT211931
About the security content of macOS Big Sur 11.0.1

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211931

Source: CCN
Type: Apple security document HT211935
About the security content of iCloud for Windows 11.5

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211935

Source: CCN
Type: Apple security document HT211952
About the security content of iTunes 12.10.9 for Windows

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211952

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apple:icloud:*:*:*:*:*:windows:*:* (Version < 11.5)
  • OR cpe:/a:apple:itunes:*:*:*:*:*:windows:*:* (Version >= 12.0.0 and < 12.10.9)
  • OR cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 14.0)
  • OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version < 11.0.1)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 14.0)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 7.0)

    • Configuration CCN 1:
  • cpe:/o:apple:macos_big_sur:11.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:apple:icloud:11.4:*:*:*:*:windows:*:*

    • * Denotes that component is vulnerable
    BACK
    apple icloud *
    apple itunes *
    apple ipados *
    apple macos *
    apple tvos *
    apple watchos *
    apple macos big sur 11.0.0
    apple icloud 11.4