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Samsung MobileCVE-2021-25437

HistoryJul 08, 2021 - 2:15 p.m.

CVE-2021-25437

2021-07-0814:15:08

CWE-20

Samsung Mobile

web.nvd.nist.gov

cve-2021-25437

tizen fota

access control vulnerability

arbitrary code execution

file replacement

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.005

Percentile

76.0%

JSON

Improper access control vulnerability in Tizen FOTA service prior to Firmware update JUL-2021 Release allows attackers to arbitrary code execution by replacing FOTA update file.

Affected configurations

Nvd

Node

linuxtizenRange<5.5

VendorProductVersionCPE
linuxtizen*cpe:2.3:o:linux:tizen:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	tizen	*	cpe:2.3:o:linux:tizen::::::::

CNA Affected

[
  {
    "product": "Tizen wearable devices",
    "vendor": "Samsung Mobile",
    "versions": [
      {
        "lessThan": "Firmware update JUL-2021 Release",
        "status": "affected",
        "version": "Tizen 5.5",
        "versionType": "custom"
      }
    ]
  }
]

References

security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.005

Percentile

76.0%

JSON

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