Vulnerability Name:

CVE-2020-9781 (CCN-178527)

Assigned:2020-03-24
Published:2020-03-24
Updated:2020-04-03
Summary:The issue was addressed by clearing website permission prompts after navigation. This issue is fixed in iOS 13.4 and iPadOS 13.4. A user may grant website permissions to a site they didn't intend to.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
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:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
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-281
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-9781

Source: XF
Type: UNKNOWN
appleios-cve20209781-sec-bypass(178527)

Source: CCN
Type: Apple security document HT211102
About the security content of iOS 13.4 and iPadOS 13.4

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT211102

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 13.4)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 13.4)

    • Configuration CCN 1:
  • cpe:/o:apple:ios:13.3:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ipados:13.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple ipados *
    apple iphone os *
    apple ios 13.3
    apple ipados 13.3