Lenovo Notebook/ThinkPad SMRAM input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Lenovo Notebook and ThinkPad and classified as problematic. This impacts an unknown function of the component SMRAM. The manipulation results in input validation. This vulnerability is cataloged as CVE-2021-3786. The attack must be initiated from a local position. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in Lenovo Notebook and ThinkPad (the affected version is unknown). Affected is an unknown code of the component SMRAM. 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 availability.

The weakness was shared 11/13/2021 as LEN-67440. The advisory is shared for download at support.lenovo.com. This vulnerability is traded as CVE-2021-3786 since 09/09/2021. There are neither technical details nor an exploit publicly available.

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

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

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.4
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.4
CNA Vector (Lenovo Group Ltd.): 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: Partially
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

09/09/2021 🔍
11/13/2021 +65 days 🔍
11/13/2021 +0 days 🔍
11/16/2021 +3 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: LEN-67440
Status: Confirmed

CVE: CVE-2021-3786 (🔍)
GCVE (CVE): GCVE-0-2021-3786
GCVE (VulDB): GCVE-100-186624

Entryinfo

Created: 11/13/2021 09:54
Updated: 11/16/2021 14:37
Changes: 11/13/2021 09:54 (46), 11/16/2021 14:37 (1)
Complete: 🔍
Cache ID: 216::103

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