How severe is CVE-2023-39902?

CVE-2023-39902 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-39902 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39902?

CVE-2023-39902 affects Nxp Uboot Secondary Program Loader. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39902?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-39902 published?

CVE-2023-39902 was published on 2023-10-17 and last updated on 2026-06-17.

CVE-2023-39902

CVE-2023-39902 is a high-severity vulnerability in Nxp Uboot Secondary Program Loader with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-281.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Nxp Uboot Secondary Program Loader
Published: 2023-10-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-39902?: CVE-2023-39902 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-39902 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39902?: CVE-2023-39902 affects Nxp Uboot Secondary Program Loader. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39902?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-39902 published?: CVE-2023-39902 was published on 2023-10-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:nxp:uboot_secondary_program_loader:*:*:*:*:*:*:*:*

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