Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

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.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

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 06:45:00 +0000

Type Values Removed Values Added
Description Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning.
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-02-04T06:14:37.454Z

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

Link: CVE-2026-20977

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-04T07:15:59.510

Modified: 2026-02-04T07:15:59.510

Link: CVE-2026-20977

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.