| Vulnerability Name: | CVE-2021-25416 (CCN-203576) |
| Assigned: | 2021-06-11 |
| Published: | 2021-06-11 |
| Updated: | 2021-06-16 |
| Summary: | Assuming EL1 is compromised, an improper address validation in RKP prior to SMR JUN-2021 Release 1 allows local attackers to create executable kernel page outside code area.
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| CVSS v3 Severity: | 6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None | | Scope: | Scope (S): Changed
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): High
Availibility (A): None |
8.4 High (CCN 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 (CCN 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 |
|
| CVSS v2 Severity: | 2.1 Low (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
Authentication (Au): None | | Impact Metrics: | Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None |
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)| Exploitability Metrics: | Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
| | Impact Metrics: | Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete |
|
| Vulnerability Type: | CWE-20
|
| Vulnerability Consequences: | Gain Access |
| References: | Source: MITRE
Type: CNA
CVE-2021-25416
Source: XF
Type: UNKNOWN
samsung-cve202125416-code-exec(203576)
Source: CCN
Type: Samsung Mobile Web site
Security Updates
Source: MISC
Type: Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=6
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| Vulnerable Configuration: | Configuration 1:
cpe:/o:google:android:10.0:*:*:*:*:*:*:*OR cpe:/o:google:android:11.0:*:*:*:*:*:*:*AND cpe:/h:samsung:exynos_9610:-:*:*:*:*:*:*:*OR cpe:/h:samsung:exynos_9810:-:*:*:*:*:*:*:*OR cpe:/h:samsung:exynos_9820:-:*:*:*:*:*:*:*OR cpe:/h:samsung:exynos_9830:-:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
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