Insyde InsydeH2O up to 5.5 IhisiSmm buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Insyde InsydeH2O up to 5.5. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component IhisiSmm. Performing a manipulation results in buffer overflow. This vulnerability is reported as CVE-2022-24350. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Insyde InsydeH2O up to 5.5. This affects an unknown function of the component IhisiSmm. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. Specially formatted buffer contents used for software SMI could cause SMRAM corruption, leading to escalation of privilege.

The weakness was disclosed 04/12/2023. It is possible to read the advisory at insyde.com. This vulnerability is uniquely identified as CVE-2022-24350 since 02/02/2022. The technical details are unknown and an exploit is not publicly available.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-29246). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/02/2022 🔍
04/12/2023 +433 days 🔍
04/12/2023 +0 days 🔍
05/02/2026 +1116 days 🔍

Sourcesinfo

Advisory: insyde.com
Status: Confirmed

CVE: CVE-2022-24350 (🔍)
GCVE (CVE): GCVE-0-2022-24350
GCVE (VulDB): GCVE-100-225687
EUVD: 🔍

Entryinfo

Created: 04/12/2023 16:24
Updated: 05/02/2026 11:28
Changes: 04/12/2023 16:24 (38), 03/19/2025 18:43 (24), 05/02/2026 11:28 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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