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CVE-2024-52880

21
FAUCET Score

CVE-2024-52880 is a high-severity vulnerability affecting Insyde InsydeH2O UEFI firmware kernels 5.2 through 5.7, specifically within the VariableRuntimeDxe driver. The flaw allows a highly privileged local attacker to manipulate untrusted size parameters, potentially leading to information disclosure. With a CVSS score of 7.9, this vulnerability presents a significant risk for data compromise. Currently, there is no evidence of active exploitation, nor is public exploit code or significant community discussion available.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.2, < 5.29.50CPE matchmatch criteria
cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
>= 5.3, < 5.38.50CPE matchmatch criteria
cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
>= 5.4, < 5.46.50CPE matchmatch criteria
cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.54.50CPE matchmatch criteria
cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
>= 5.6, < 5.61.50CPE matchmatch criteria
cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.9HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.5
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.16%
Probability of exploitation in next 30 days
EPSS Percentile
5.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0016 is in the 17th percentile among its peer group of 360 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

insyde.com / security-pledge
Vendor Advisory
insyde.com / security-pledge/sa-2024016
Vendor Advisory