AMD Trusted Platform Module toctou

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 (≈)
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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.
6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in AMD Trusted Platform Module. The impacted element is an unknown function. The manipulation results in toctou. This vulnerability is identified as CVE-2020-12926. An attack on the physical device is feasible. There is not any exploit available.

Detailsinfo

A vulnerability was found in AMD Trusted Platform Module (affected version unknown). It has been classified as critical. Affected is an unknown functionality. The manipulation with an unknown input leads to a toctou vulnerability. CWE is classifying the issue as CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 11/13/2020. The advisory is available at amd.com. This vulnerability is traded as CVE-2020-12926. The exploitability is told to be difficult. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.4
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/15/2020 🔍
11/13/2020 +182 days 🔍
11/13/2020 +0 days 🔍
12/06/2020 +23 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2020-12926 (🔍)
GCVE (CVE): GCVE-0-2020-12926
GCVE (VulDB): GCVE-100-164886

Entryinfo

Created: 11/13/2020 07:23
Updated: 12/06/2020 21:08
Changes: 11/13/2020 07:23 (34), 12/06/2020 21:01 (2), 12/06/2020 21:08 (16)
Complete: 🔍
Cache ID: 216::103

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