Intel CPU timing discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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2.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel CPU. It has been rated as problematic. Impacted is an unknown function. The manipulation leads to timing discrepancy. This vulnerability is uniquely identified as CVE-2021-0089. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in Intel CPU (Chip Software) (version unknown). It has been rated as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a timing discrepancy vulnerability. Using CWE to declare the problem leads to CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. Impacted is confidentiality.

The weakness was disclosed 06/10/2021 as intel-sa-00516. It is possible to read the advisory at intel.com. The identification of this vulnerability is CVE-2021-0089. 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.

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

Be aware that VulDB is the high quality source 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: 2.5
VulDB Meta Temp Score: 2.5

VulDB Base Score: 2.5
VulDB Temp Score: 2.5
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: Timing discrepancy
CWE: CWE-208 / CWE-203 / CWE-200
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

10/22/2020 🔍
06/10/2021 +231 days 🔍
06/10/2021 +0 days 🔍
06/12/2021 +2 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00516
Status: Confirmed

CVE: CVE-2021-0089 (🔍)
GCVE (CVE): GCVE-0-2021-0089
GCVE (VulDB): GCVE-100-176687

Entryinfo

Created: 06/10/2021 08:23
Updated: 06/12/2021 12:17
Changes: 06/10/2021 08:23 (37), 06/12/2021 12:17 (2)
Complete: 🔍
Cache ID: 216::103

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