Vulnerability Name:

CVE-2019-8803 (CCN-170728)

Assigned:2019-10-28
Published:2019-10-28
Updated:2019-12-26
Summary:An authentication issue was addressed with improved state management. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, tvOS 13.2, watchOS 6.1. A local attacker may be able to login to the account of a previously logged in user without valid credentials..
CVSS v3 Severity:8.4 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-613
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2019-8803

Source: XF
Type: UNKNOWN
apple-ios-cve20198803-sec-bypass(170728)

Source: CCN
Type: Apple security document HT210721
About the security content of iOS 13.2 and iPadOS 13.2

Source: CCN
Type: Apple security document HT210723
About the security content of tvOS 13.2

Source: CCN
Type: Apple security document HT210724
About the security content of watchOS 6.1

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210721

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210722

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210723

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210724

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 13.2)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 13.2)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.15.1)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 13.2)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 6.1)

  • Configuration CCN 1:
  • cpe:/o:apple:ios:13.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple ipados *
    apple iphone os *
    apple mac os x *
    apple tvos *
    apple watchos *
    apple iphone os 13.1