Samsung Devices Carrier Relock input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Samsung Devices. Affected is an unknown function of the component Carrier Relock. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2026-20974. The attack may be carried out on the physical device. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Samsung Devices (affected version not known). It has been classified as problematic. This affects some unknown functionality of the component Carrier Relock. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity, and availability. The summary by CVE is:

Improper input validation in data related to network restrictions prior to SMR Jan-2026 Release 1 allows physical attackers to bypass Carrier Relock.

It is possible to read the advisory at security.samsungmobile.com. This vulnerability is uniquely identified as CVE-2026-20974 since 12/11/2025. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-1783). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.6
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/11/2025 CVE reserved
01/09/2026 +29 days Advisory disclosed
01/09/2026 +0 days VulDB entry created
02/03/2026 +25 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2026-20974 (🔒)
GCVE (CVE): GCVE-0-2026-20974
GCVE (VulDB): GCVE-100-340251
EUVD: 🔒

Entryinfo

Created: 01/09/2026 08:37
Updated: 02/03/2026 03:41
Changes: 01/09/2026 08:37 (65), 02/02/2026 19:28 (11), 02/03/2026 03:41 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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