CVE-2023-39283
Last modified
CVE-2023-39283 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2o | >= 5.0, <= 5.5 |
| Insyde | Insydeh2o | 5.5.05.53.22 |
| Insyde | Insydeh2o | 5.6 |
| Insyde | Insydeh2o | 5.6.05.60.22 |
References
- https://www.insyde.com/security-pledgeNot Applicable
- https://www.insyde.com/security-pledge/SA-2023055Vendor Advisory
- https://www.insyde.com/security-pledgeNot Applicable
- https://www.insyde.com/security-pledge/SA-2023055Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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.
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