Insyde InsydeH2O SMM privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Insyde InsydeH2O. Affected is an unknown function of the component SMM. Such manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2021-42113. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Insyde InsydeH2O (affected version unknown). It has been rated as problematic. Affected by this issue is an unknown functionality of the component SMM. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in StorageSecurityCommandDxe in Insyde InsydeH2O with Kernel 5.1 before 05.14.28, Kernel 5.2 before 05.24.28, and Kernel 5.3 before 05.32.25. An SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.

The weakness was presented 02/03/2022. The advisory is available at insyde.com. This vulnerability is handled as CVE-2021-42113 since 10/08/2021. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: 🔍

Timelineinfo

10/08/2021 🔍
02/03/2022 +118 days 🔍
02/03/2022 +0 days 🔍
11/04/2025 +1370 days 🔍

Sourcesinfo

Advisory: insyde.com
Status: Confirmed

CVE: CVE-2021-42113 (🔍)
GCVE (CVE): GCVE-0-2021-42113
GCVE (VulDB): GCVE-100-192158

Entryinfo

Created: 02/03/2022 08:18
Updated: 11/04/2025 23:16
Changes: 02/03/2022 08:18 (35), 02/05/2022 07:34 (1), 11/04/2025 23:16 (35)
Complete: 🔍
Cache ID: 216:67D:103

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