Vulnerability Name:

CVE-2021-25335 (CCN-197776)

Assigned:2021-03-04
Published:2021-03-04
Updated:2021-03-11
Summary:Improper lockscreen status check in cocktailbar service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows unauthenticated users to access hidden notification contents over the lockscreen in specific condition.
CVSS v3 Severity:2.5 Low (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N)
2.2 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
2.5 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N)
2.2 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:1.9 Low (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
1.0 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-noinfo
CWE-703
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-25335

Source: XF
Type: UNKNOWN
samsung-cve202125335-sec-bypass(197776)

Source: MISC
Type: Vendor Advisory
https://security.samsungmobile.com

Source: CCN
Type: Samsung Mobile Web site
Security Updates

Source: CONFIRM
Type: Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb

Vulnerable Configuration:Configuration 1:
  • cpe:/a:samsung:one_ui:2.5:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:10.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    samsung one ui 2.5
    google android 10.0