ByteOS Network

NVD Vulnerability Details :

CVE-2026-20989

Analyzed

Source-mobile.security@samsung.com

Published At-16 Mar, 2026 | 14:18

Updated At-20 Mar, 2026 | 13:53

Improper verification of cryptographic signature in Font Settings prior to SMR Mar-2026 Release 1 allows physical attackers to use custom font.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	5.1	MEDIUM	CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary	3.1	2.4	LOW	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Type: Secondary

Version: 4.0

Base score: 5.1

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Primary

Version: 3.1

Base score: 2.4

Base severity: LOW

Vector:

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

CPE Matches

Weaknesses

CWE ID	Type	Source
CWE-347	Primary	nvd@nist.gov

CWE ID: CWE-347

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=03	mobile.security@samsung.com	Vendor Advisory

Hyperlink: https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=03

Source: mobile.security@samsung.com

Resource:

Vendor Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History