How severe is CVE-2023-29494?

CVE-2023-29494 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-2023-29494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29494?

CVE-2023-29494 primarily affects Intel Nuc 11 Pro Kit Nuc11tnhi70z Firmware. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-29494?

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-2023-29494 published?

CVE-2023-29494 was published on 2023-08-11 and last updated on 2026-06-17.

CVE-2023-29494

CVE-2023-29494 is a high-severity vulnerability in Intel Nuc 11 Pro Kit Nuc11tnhi70z 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Intel Nuc 11 Pro Kit Nuc11tnhi70z Firmware
Published: 2023-08-11
Last modified: 2026-06-17

Description

Improper input validation in BIOS firmware for some Intel(R) NUCs may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2023-29494?: Improper input validation in BIOS firmware for some Intel(R) NUCs may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2023-29494?: CVE-2023-29494 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-2023-29494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29494?: CVE-2023-29494 primarily affects Intel Nuc 11 Pro Kit Nuc11tnhi70z Firmware. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-29494?: 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-2023-29494 published?: CVE-2023-29494 was published on 2023-08-11 and last updated on 2026-06-17.

References

http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00892.html

Affected products (24)

cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi70z_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki70z_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki30z_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi30z_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki50z_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi50z_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi30z_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi50z_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi70z_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi7_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnki7_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_board_nuc11tnbi7_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi50w_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi50l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi30l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi70q_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi30p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:nuc_11_pro_kit_nuc11tnhi70l_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Nuc 11 Pro Kit Nuc11tnhi70z Firmware

CVE-2022-37334 — High (CVSS 7.8): Improper initialization in BIOS firmware for some Intel(R) NUC 11 Pro Kits and Intel(R) NUC 11 Pro Boards before…
CVE-2022-24382 — Medium (CVSS 6.7): Improper input validation in firmware for some Intel(R) NUCs may allow a privileged user to potentially enable…
CVE-2022-24297 — Medium (CVSS 6.7): Improper buffer restrictions in firmware for some Intel(R) NUCs may allow a privileged user to potentially enable…
CVE-2022-21237 — Medium (CVSS 6.7): Improper buffer access in firmware for some Intel(R) NUCs may allow a privileged user to potentially enable escalation…
CVE-2023-27887 — Medium (CVSS 6.1): Improper initialization in BIOS firmware for some Intel(R) NUCs may allow a privileged user to potentially enable…
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