CVE-2023-39902

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.4% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-10-17 00:00Z2 YR AGO

Last updated

2024-09-16 15:15Z1 YR AGO

Reserved

2023-08-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.0)

CNA CVSS vector

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

Weaknesses

• CWE-281Improper Preservation of PermissionsBase

Data version

5.1

Document digest

1dc4124fc1555f6f1a71e03e2c3bde09a76a2183cebd4e285b2c14dd4ba55223

• nxp.comhttps://nxp.com
• community.nxp.comhttps://community.nxp.com/t5/i-MX-Security/U-Boot-Secondary-Program-Loader-Authentication-Vulnerability-CVE/ta-p/1736196