Intel Xeon prior MR7 BIOS information disclosure

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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3.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel Xeon. It has been classified as problematic. Affected is an unknown function of the component BIOS. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-2021-33117. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Intel Xeon (Chip Software) and classified as problematic. This issue affects an unknown code block of the component BIOS. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was published 05/12/2022 as intel-sa-00586. It is possible to read the advisory at intel.com. The identification of this vulnerability is CVE-2021-33117 since 05/18/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version MR7 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Xeon MR7

Timelineinfo

05/18/2021 🔍
05/12/2022 +359 days 🔍
05/12/2022 +0 days 🔍
05/15/2022 +3 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00586
Status: Confirmed

CVE: CVE-2021-33117 (🔍)
GCVE (CVE): GCVE-0-2021-33117
GCVE (VulDB): GCVE-100-199715

Entryinfo

Created: 05/12/2022 22:11
Updated: 05/15/2022 09:54
Changes: 05/12/2022 22:11 (40), 05/15/2022 09:54 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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