What is CVE-2023-39281?

CVE-2023-39281 is a critical-severity vulnerability in Amd Athlon_gold_7220u, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-11-01.

How severe is CVE-2023-39281?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-39281 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Amd Athlon_gold_7220u

CVE-2023-39281

A stack buffer overflow vulnerability discovered in AsfSecureBootDxe in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to run arbitrary code execution during the DXE phase.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (38.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2023-39281?: CVE-2023-39281 is a critical-severity vulnerability in Amd Athlon_gold_7220u, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-11-01.
How severe is CVE-2023-39281?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-39281 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.