Insyde InsydeH2O up to 5.5 IhisiServicesSmm SetVariable privilege escalation

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 is the function SetVariable of the component IhisiServicesSmm. Performing a manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2023-39284. There is no exploit available.

Detailsinfo

A vulnerability was found in Insyde InsydeH2O up to 5.5. It has been classified as critical. This affects the function SetVariable of the component IhisiServicesSmm. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in IhisiServicesSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There are arbitrary calls to SetVariable with unsanitized arguments in the SMI handler.

The weakness was shared 11/03/2023. It is possible to read the advisory at insyde.com. This vulnerability is uniquely identified as CVE-2023-39284 since 07/27/2023. Technical details of the vulnerability are known, but there is no available exploit.

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-2023-43016). Statistical analysis made it clear that VulDB provides the best quality 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: 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/27/2023 🔍
11/03/2023 +99 days 🔍
11/03/2023 +0 days 🔍
01/24/2026 +813 days 🔍

Sourcesinfo

Advisory: insyde.com
Status: Confirmed

CVE: CVE-2023-39284 (🔍)
GCVE (CVE): GCVE-0-2023-39284
GCVE (VulDB): GCVE-100-244419
EUVD: 🔍

Entryinfo

Created: 11/03/2023 07:39
Updated: 01/24/2026 05:49
Changes: 11/03/2023 07:39 (37), 11/30/2023 15:55 (9), 01/24/2026 05:49 (15)
Complete: 🔍
Cache ID: 216::103

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

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