How severe is CVE-2023-42429?

CVE-2023-42429 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-42429 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42429?

CVE-2023-42429 primarily affects Intel Nuc 7 Essential Pc Nuc7cjysal Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-42429?

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.

Does CVE-2023-42429 have an EU (EUVD) identifier?

Yes. CVE-2023-42429 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46881.

When was CVE-2023-42429 published?

CVE-2023-42429 was published on 2024-01-19 and last updated on 2026-06-17.

CVE-2023-42429

CVE-2023-42429 is a high-severity vulnerability in Intel Nuc 7 Essential Pc Nuc7cjysal Firmware with a CVSS 3.x base score of 7.5. 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-92.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-46881
Weakness: CWE-92
Affected product: Intel Nuc 7 Essential Pc Nuc7cjysal Firmware
Published: 2024-01-19
Last modified: 2026-06-17

Description

Improper buffer restrictions in some Intel NUC BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2023-42429?: Improper buffer restrictions in some Intel NUC BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2023-42429?: CVE-2023-42429 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-42429 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42429?: CVE-2023-42429 primarily affects Intel Nuc 7 Essential Pc Nuc7cjysal Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-42429?: 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.
Does CVE-2023-42429 have an EU (EUVD) identifier?: Yes. CVE-2023-42429 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46881.
When was CVE-2023-42429 published?: CVE-2023-42429 was published on 2024-01-19 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01028.html

Affected products (6)

cpe:2.3:o:intel:nuc_7_essential_pc_nuc7cjysal_firmware:jyglkcpx.0071:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_7_essential_nuc7cjysamn_firmware:jyglkcpx.0071:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7cjyhn_firmware:jyglkcpx.0071:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7cjyh_firmware:jyglkcpx.0071:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7pjyhn_firmware:jyglkcpx.0071:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_kit_nuc7pjyh_firmware:jyglkcpx.0071:*:*:*:*:*:*:*

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