| Vulnerability Name: | CVE-2021-30656 (CCN-200696) |
| Assigned: | 2021-04-26 |
| Published: | 2021-04-26 |
| Updated: | 2022-07-12 |
| Summary: | An access issue was addressed with improved memory management. This issue is fixed in iOS 14.5 and iPadOS 14.5. A malicious application may be able to determine kernel memory layout.
|
| CVSS v3 Severity: | 5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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 |
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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: | 7.1 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:N/A:N)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None | | Impact Metrics: | Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None |
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:N)| Exploitability Metrics: | Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
| | Impact Metrics: | Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None |
|
| Vulnerability Type: | CWE-noinfo
|
| Vulnerability Consequences: | Obtain Information |
| References: | Source: MITRE
Type: CNA
CVE-2021-30656
Source: XF
Type: UNKNOWN
apple-ios-cve202130656-info-disc(200696)
Source: CCN
Type: Apple security document HT212317
About the security content of iOS 14.5 and iPadOS 14.5
Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212317
|
| Vulnerable Configuration: | Configuration 1:
cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 14.5)OR cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 14.5)
Configuration CCN 1:
cpe:/o:apple:ios:14.4:*:*:*:*:*:*:*OR cpe:/o:apple:ipados:14.4:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
| BACK |