VDB-199788 · CVE-2021-0189 · intel-sa-00601

Intel CPU BIOS Firmware Local Privilege Escalation

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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Intel CPU. The affected element is an unknown function of the component BIOS Firmware Handler. The manipulation results in an unknown weakness. This vulnerability was named CVE-2021-0189. The attack needs to be approached locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Intel CPU (Chip Software) (affected version unknown). It has been classified as problematic. Affected is an unknown functionality of the component BIOS Firmware Handler. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 05/13/2022 as intel-sa-00601. The advisory is shared for download at intel.com. This vulnerability is traded as CVE-2021-0189 since 10/22/2020. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Chip Software

Vendor

Intel

Name

License

commercial

Website

Vendor: https://www.intel.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/22/2020 🔍
05/13/2022 +568 days 🔍
05/13/2022 +0 days 🔍
05/16/2022 +3 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00601
Status: Confirmed

CVE: CVE-2021-0189 (🔍)
GCVE (CVE): GCVE-0-2021-0189
GCVE (VulDB): GCVE-100-199788

Entryinfo

Created: 05/13/2022 11:03
Updated: 05/16/2022 06:56
Changes: 05/13/2022 11:03 (37), 05/16/2022 06:56 (1)
Complete: 🔍
Cache ID: 216::103