AMD Ryzen 5000 Desktop Processor with Radeon Graphics on x84 TMR

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.
4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in AMD Ryzen 5000 Desktop Processor with Radeon Graphics, Athlon 3000 Desktop Processors with Radeon Graphics, Ryzen 4000 Desktop Processors with Radeon Graphics, Athlon 3000 Mobile Processors with Radeon Graphics, Ryzen 3000 Mobile Processor with Radeon Graphics, Ryzen 4000 Mobile Processors with Radeon Graphics, Ryzen 5000 Mobile Processors with Radeon Graphics, Ryzen 5000 Processors with Radeon Graphics, Ryzen 3000 Processors with Radeon Graphics, Radeon RX 6000 Graphics Cards, Radeon PRO W6000 Graphics Cards, Ryzen Embedded R1000 Processors, Ryzen Embedded R2000 Processors, Ryzen Embedded V1000 Processors and Ryzen Embedded V2000 Processors on x84. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component TMR Handler. The manipulation leads to an unknown weakness. This vulnerability is known as CVE-2021-26367. An attack has to be approached locally. There is no exploit available. It is recommended to upgrade the affected component. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability was found in AMD Ryzen 5000 Desktop Processor with Radeon Graphics, Athlon 3000 Desktop Processors with Radeon Graphics, Ryzen 4000 Desktop Processors with Radeon Graphics, Athlon 3000 Mobile Processors with Radeon Graphics, Ryzen 3000 Mobile Processor with Radeon Graphics, Ryzen 4000 Mobile Processors with Radeon Graphics, Ryzen 5000 Mobile Processors with Radeon Graphics, Ryzen 5000 Processors with Radeon Graphics, Ryzen 3000 Processors with Radeon Graphics, Radeon RX 6000 Graphics Cards, Radeon PRO W6000 Graphics Cards, Ryzen Embedded R1000 Processors, Ryzen Embedded R2000 Processors, Ryzen Embedded V1000 Processors and Ryzen Embedded V2000 Processors on x84. It has been classified as problematic. Affected is an unknown functionality of the component TMR Handler. This is going to have an impact on integrity, and availability. CVE summarizes:

A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.

The advisory is shared for download at amd.com. This vulnerability is traded as CVE-2021-26367 since 01/29/2021. The exploitability is told to be difficult. The attack needs to be approached locally. The exploitation requires an enhanced level of successful authentication. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.0
VulDB Temp Score: 2.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.7
CNA Vector (AMD): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

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

01/29/2021 CVE reserved
08/13/2024 +1291 days Advisory disclosed
08/13/2024 +0 days VulDB entry created
08/13/2024 +0 days VulDB entry last update

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2021-26367 (🔒)
GCVE (CVE): GCVE-0-2021-26367
GCVE (VulDB): GCVE-100-274380

Entryinfo

Created: 08/13/2024 07:06 PM
Changes: 08/13/2024 07:06 PM (61)
Complete: 🔍
Cache ID: 18:021:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!