CVE-2023-27373
Last modified
CVE-2023-27373 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. Due to insufficient input validation, an attacker can tamper with a runtime-accessible EFI variable to cause a dynamic BAR setting to overlap SMRAM.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. Due to insufficient input validation, an attacker can tamper with a runtime-accessible EFI variable to cause a dynamic BAR setting to overlap SMRAM.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2o | 5.0 |
| Insyde | Insydeh2o | 5.1 |
| Insyde | Insydeh2o | 5.2 |
| Insyde | Insydeh2o | 5.3 |
| Insyde | Insydeh2o | 5.4 |
| Insyde | Insydeh2o | 5.5 |
References
- https://www.insyde.com/security-pledge/SA-2023035Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2023035Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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