Vulnerability Details : CVE-2023-27471
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. UEFI implementations do not correctly protect and validate information contained in the 'MeSetup' UEFI variable. On some systems, this variable can be overwritten using operating system APIs. Exploitation of this vulnerability could potentially lead to denial of service for the platform.
Vulnerability category: Denial of service
Products affected by CVE-2023-27471
- 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-2023-27471
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-2023-27471
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:N/A:H |
1.8
|
3.6
|
NIST |
References for CVE-2023-27471
-
https://www.insyde.com/security-pledge/SA-2023036
Insyde Security Advisory 2023036 | Insyde SoftwareVendor Advisory
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