| Vulnerability Name: | CVE-2021-1837 (CCN-200679) |
| Assigned: | 2020-12-08 |
| Published: | 2021-04-26 |
| Updated: | 2021-09-15 |
| Summary: | A certificate validation issue was addressed. This issue is fixed in iOS 14.5 and iPadOS 14.5. An attacker in a privileged network position may be able to alter network traffic.
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| CVSS v3 Severity: | 5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): High
Availibility (A): None |
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): High
Availibility (A): None |
|
| CVSS v2 Severity: | 4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None | | Impact Metrics: | Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None |
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:C/A:N)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None |
|
| Vulnerability Type: | CWE-295
|
| Vulnerability Consequences: | Bypass Security |
| References: | Source: MITRE
Type: CNA
CVE-2021-1837
Source: XF
Type: UNKNOWN
apple-ios-cve20211837-sec-bypass(200679)
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
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| Vulnerable Configuration: | Configuration 1:
cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 14.5)OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 14.5)
Configuration CCN 1:
cpe:/o:apple:ios:14.4:*:*:*:*:*:*:*OR cpe:/o:apple:ipados:14.4:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
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