Vulnerability Details : CVE-2023-27373
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.
Vulnerability category: Input validation
Products affected by CVE-2023-27373
- cpe:2.3:a:insyde:insydeh2o:5.0:*:*:*:*:*:*:*
- cpe:2.3:a:insyde:insydeh2o:5.1:*:*:*:*:*:*:*
- cpe:2.3:a:insyde:insydeh2o:5.2:*:*:*:*:*:*:*
- cpe:2.3:a:insyde:insydeh2o:5.3:*:*:*:*:*:*:*
- cpe:2.3:a:insyde:insydeh2o:5.4:*:*:*:*:*:*:*
- cpe:2.3:a:insyde:insydeh2o:5.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-27373
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-27373
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2023-27373
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-27373
-
https://www.insyde.com/security-pledge/SA-2023035
Insyde Security Advisory 2023035 | Insyde SoftwareVendor Advisory
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