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CVE-2023-22614

26
FAUCET Score

CVE-2023-22614 is a high-severity vulnerability affecting Insyde InsydeH2O firmware (kernel 5.0-5.5) due to insufficient input validation in the BIOS Guard SMI handler. An authenticated local attacker can exploit this by providing malformed inputs, leading to memory corruption within the System Management Mode (SMM) and potentially allowing for arbitrary code execution with high impact on confidentiality, integrity, and availability. While the CVSS score is 8.8, there is currently no public exploit code, Metasploit modules, or evidence of active exploitation, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
05.42.52.0026CPE matchmatch criteria
cpe:2.3:a:insyde:insydeh2o:05.42.52.0026:*:*:*:*:*:*:*
05.43.01.0026CPE matchmatch criteria
cpe:2.3:a:insyde:insydeh2o:05.43.01.0026:*:*:*:*:*:*:*
05.43.12.0056CPE matchmatch criteria
cpe:2.3:a:insyde:insydeh2o:05.43.12.0056:*:*:*:*:*:*:*
05.44.34.0054CPE matchmatch criteria
cpe:2.3:a:insyde:insydeh2o:05.44.34.0054:*:*:*:*:*:*:*
05.44.45.0015CPE matchmatch criteria
cpe:2.3:a:insyde:insydeh2o:05.44.45.0015:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 69th percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

research.nccgroup.com / 2023/04/11/stepping-insyde-system-management-mode
ExploitThird Party Advisory
insyde.com / security-pledge
Vendor Advisory
insyde.com / security-pledge/SA-2023020
Vendor Advisory