Lenovo ThinkPad A275 BIOS privileges management

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Lenovo ThinkPad T495s, ThinkPad X395, ThinkPad T495, ThinkPad A485, ThinkPad A285, ThinkPad A475 and ThinkPad A275 and classified as critical. Affected by this issue is some unknown functionality of the component BIOS Handler. Executing a manipulation can lead to privileges management. The identification of this vulnerability is CVE-2020-8334. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Lenovo ThinkPad T495s, ThinkPad X395, ThinkPad T495, ThinkPad A485, ThinkPad A285, ThinkPad A475 and ThinkPad A275. It has been declared as critical. This vulnerability affects an unknown code of the component BIOS Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.

The weakness was shared 06/09/2020. This vulnerability was named CVE-2020-8334 since 01/28/2020. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.9
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
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

01/28/2020 🔍
06/09/2020 +133 days 🔍
06/10/2020 +1 days 🔍
10/23/2020 +135 days 🔍

Sourcesinfo

Vendor: lenovo.com

Status: Not defined

CVE: CVE-2020-8334 (🔍)
GCVE (CVE): GCVE-0-2020-8334
GCVE (VulDB): GCVE-100-156454

Entryinfo

Created: 06/10/2020 11:42
Updated: 10/23/2020 17:32
Changes: 06/10/2020 11:42 (34), 06/10/2020 11:47 (11), 10/23/2020 17:32 (1)
Complete: 🔍
Cache ID: 216::103

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