Improper input validation in FacAtFunction prior to SMR Feb-2026 Release 1 allows privileged physical attacker to execute arbitrary command with system privilege.

Metrics

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Samsung
  • Mobile Devices

No data.

No data.

References
Link Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=02 cve-icon cve-icon
History

Wed, 04 Feb 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Samsung
Samsung mobile Devices
Vendors & Products Samsung
Samsung mobile Devices

Wed, 04 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 04 Feb 2026 06:45:00 +0000

Type Values Removed Values Added
Description Improper input validation in FacAtFunction prior to SMR Feb-2026 Release 1 allows privileged physical attacker to execute arbitrary command with system privilege.
References
Metrics cvssV4_0

{'score': 5.4, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published: 2026-02-04T06:14:43.177Z

Updated: 2026-02-04T16:56:29.200Z

Reserved: 2025-12-11T01:33:35.799Z

Link: CVE-2026-20981

cve-icon Vulnrichment

Updated: 2026-02-04T16:56:26.223Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-04T07:16:00.113

Modified: 2026-02-04T16:33:44.537

Link: CVE-2026-20981

cve-icon Redhat

No data.