Lenovo ThinkSystem BIOS Configuration privileges management

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
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5.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Lenovo ThinkSystem and classified as critical. Affected by this vulnerability is an unknown functionality of the component BIOS Configuration. Performing a manipulation results in privileges management. This vulnerability was named CVE-2020-8331. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Lenovo ThinkSystem (the affected version unknown). It has been classified as critical. This affects an unknown part of the component BIOS Configuration. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A potential vulnerability in the BIOS configuration of some ThinkSystem models due to missing DMA protections that may allow a user with physical access read or write access to system memory.

The weakness was presented 06/09/2020. This vulnerability is uniquely identified as CVE-2020-8331 since 01/28/2020. The exploitability is told to be difficult. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

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

Productinfo

Vendor

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License

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 4.9
VulDB Temp Score: 4.9
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: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
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 🔍
06/10/2020 +0 days 🔍

Sourcesinfo

Vendor: lenovo.com

Status: Not defined

CVE: CVE-2020-8331 (🔍)
GCVE (CVE): GCVE-0-2020-8331
GCVE (VulDB): GCVE-100-156453

Entryinfo

Created: 06/10/2020 11:41
Updated: 06/10/2020 11:46
Changes: 06/10/2020 11:41 (34), 06/10/2020 11:46 (11)
Complete: 🔍
Cache ID: 216::103

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