Insyde InsydeH2O 5.1/5.2/5.3 SMM StorageSecurityCommandDxe memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Insyde InsydeH2O 5.1/5.2/5.3. This affects the function StorageSecurityCommandDxe of the component SMM Handler. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2021-43522. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Insyde InsydeH2O 5.1/5.2/5.3. Affected by this issue is the function StorageSecurityCommandDxe of the component SMM Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 02/03/2022. The advisory is available at insyde.com. This vulnerability is handled as CVE-2021-43522 since 11/08/2021. Technical details are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
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: Memory corruption
CWE: CWE-119
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

11/08/2021 🔍
02/03/2022 +87 days 🔍
02/03/2022 +0 days 🔍
11/04/2025 +1370 days 🔍

Sourcesinfo

Advisory: insyde.com
Status: Confirmed

CVE: CVE-2021-43522 (🔍)
GCVE (CVE): GCVE-0-2021-43522
GCVE (VulDB): GCVE-100-192134

Entryinfo

Created: 02/03/2022 07:41
Updated: 11/04/2025 23:16
Changes: 02/03/2022 07:41 (39), 02/04/2022 17:30 (1), 11/04/2025 23:16 (33)
Complete: 🔍
Cache ID: 216::103

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