Is CVE-2023-39902 in the CISA KEV catalog?

No. CVE-2023-39902 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-39902?

CVE-2023-39902 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2023-39902?

CVE-2023-39902 has an EPSS score of 0.14% (4th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-39902?

Upgrade uboot secondary program loader to 2023.07 or later.

CVE & CISA-KEV Catalog

CVE-2023-39902

HIGH

7.0

CVSS v3

NVD

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.

CWE-281

How to fix

Remediation Available

uboot secondary program loaderNVD

Affected:< 2023.07Fixed in:2023.07CVE-2023-39902derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.14%probability of exploitation in 30 days

4thpercentile

Low risk: more likely to be exploited than 4% of all known CVEs.

References

Patch1

community.nxp.com

Product1

nxp.com

Related Vulnerabilities

Other CWE-281 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-8543	Critical	9.8	74%	KEV	-
CVE-2019-0233	High	7.5	69%	-	-
CVE-2017-8589	Critical	9.8	26%	-	-
CVE-2021-33990	Critical	9.8	12%	-	-
CVE-2017-8563	High	8.1	7.2%	-	-
CVE-2017-8578	High	7.8	6.5%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.