What is CVE-2023-39902?

CVE-2023-39902 is a high-severity vulnerability in Nxp I.mx 8m, classified under Improper Preservation of Permissions. CVSS score: 7.0/10. Published 2023-10-17.

How severe is CVE-2023-39902?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2023-39902 known to be exploited?

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

Vulnerability in Nxp I.mx 8m

CVE-2023-39902

A software vulnerability has been identified in the U-Boot Secondary Program Loader (SPL) before 2023.07 on select NXP i.MX 8M family processors. Under certain conditions, a crafted Flattened Image Tree (FIT) format structure can be used to overwrite SPL memory, allowing unauthenticated software to execute on the target, leading to privilege escalation. This affects i.MX 8M, i.MX 8M Mini, i.MX 8M Nano, and i.MX 8M Plus.

EPSS: 0.001 (4.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-281 — Improper Preservation of Permissions

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Product)
cve@mitre.org (Patch, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2023-39902?: CVE-2023-39902 is a high-severity vulnerability in Nxp I.mx 8m, classified under Improper Preservation of Permissions. CVSS score: 7.0/10. Published 2023-10-17.
How severe is CVE-2023-39902?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2023-39902 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.