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Samsung MobileCVE-2021-25436

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

CVE-2021-25436

2021-07-0814:15:08

CWE-20

Samsung Mobile

web.nvd.nist.gov

cve-2021-25436

improper input validation

tizen fota service

firmware update

arbitrary code execution

samsung accessory protocol

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

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

9.6

Confidence

High

EPSS

0.004

Percentile

73.9%

JSON

Improper input validation vulnerability in Tizen FOTA service prior to Firmware update JUL-2021 Release allows arbitrary code execution via Samsung Accessory Protocol.

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

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

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

9.6

Confidence

High

EPSS

0.004

Percentile

73.9%

JSON

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