CVE-2023-39284
MEDIUMCVSS 5.5/10EPSS 0.18%
Last modified
CVE-2023-39284 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2o | >= 5.2, < 5.2.05.28.33 |
| Insyde | Insydeh2o | >= 5.3, < 5.3.05.37.33 |
| Insyde | Insydeh2o | >= 5.4, < 5.4.05.45.33 |
| Insyde | Insydeh2o | >= 5.5, < 5.5.05.53.33 |
| Insyde | Insydeh2o | >= 5.6, < 5.6.05.60.33 |
References
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2023056Vendor Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2023056Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-39284?
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.
How severe is CVE-2023-39284?
CVE-2023-39284 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2023-39284?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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Are you affected by CVE-2023-39284?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST