Samsung Mobile Devices OTP missing immutable root of trust in hardware

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Samsung Mobile Devices. Affected by this vulnerability is an unknown functionality of the component OTP. The manipulation leads to missing immutable root of trust in hardware. This vulnerability is referenced as CVE-2024-20821. The attack can only be performed from a local environment. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Samsung Mobile Devices (affected version unknown). It has been rated as problematic. This issue affects an unknown functionality of the component OTP. The manipulation with an unknown input leads to a missing immutable root of trust in hardware vulnerability. Using CWE to declare the problem leads to CWE-1326. A missing immutable root of trust in the hardware results in the ability to bypass secure boot or execute untrusted or adversarial boot code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability possible to reconfigure OTP allows local attackers to transit RMA(Return Merchandise Authorization) mode, which disables security features. This attack needs additional privilege to control TEE.

The advisory is shared at security.samsungmobile.com. The identification of this vulnerability is CVE-2024-20821 since 12/05/2023. The exploitation is known to be easy. An attack has to be approached locally. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.4
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Missing immutable root of trust in hardware
CWE: CWE-1326
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/05/2023 🔍
05/07/2024 +153 days 🔍
05/07/2024 +0 days 🔍
05/07/2024 +0 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2024-20821 (🔍)
GCVE (CVE): GCVE-0-2024-20821
GCVE (VulDB): GCVE-100-263285

Entryinfo

Created: 05/07/2024 06:47
Changes: 05/07/2024 06:47 (60), 05/07/2024 06:48 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!