What is the CVSS score of CVE-2023-22449?

CVE-2023-22449 has a CVSS 3.1 base score of 6.7 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Is there a patch available for CVE-2023-22449?

Yes, a patch is available for CVE-2023-22449. Update the affected software to the latest version immediately.

Nuc 11 Compute Element Cm11Ebi38W Firmware CVE-2023-22449

MEDIUM

Improper Input Validation (CWE-20)

2023-08-11 secure@intel.com

6.7

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-20 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V2 - Validation and Business Logic Input validation, allowlisting
Impact	CVSS score of 6.7 (MEDIUM). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived	Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.2% exploitation probability (EPSS)

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AnalysisAI

Improper input validation in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-20. Improper input validation in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access. Affected products include: Intel Nuc 13 Extreme Compute Element Nuc13Sbbi5 Firmware, Intel Nuc 13 Extreme Compute Element Nuc13Sbbi5F Firmware, Intel Nuc 13 Extreme Compute Element Nuc13Sbbi7 Firmware, Intel Nuc 13 Extreme Compute Element Nuc13Sbbi7F Firmware, Intel Nuc 13 Extreme Compute Element Nuc13Sbbi9 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.7 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

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

Threat Intelligence Overview

EPSS Score

0.2%

Top 94% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.2%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +34

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Affected Products (CPE)NVD

cpe:2.3:o:intel:nuc_13_extreme_compute_element_nuc13sbbi5_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_13_extreme_compute_element_nuc13sbbi5f_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_13_extreme_compute_element_nuc13sbbi7_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_13_extreme_compute_element_nuc13sbbi7f_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_13_extreme_compute_element_nuc13sbbi9_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_13_extreme_compute_element_nuc13sbbi9f_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_13_extreme_kit_nuc13rngi5_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_13_extreme_kit_nuc13rngi7_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_13_extreme_kit_nuc13rngi9_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi3_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi30z_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11paki3_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi5_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi50z_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11paki5_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11paqi50wa_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi7_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11pahi70z_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11paki7_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:intel:nuc_11_performance_kit_nuc11paqi70qa_firmware:-:*:*:*:*:*:*:*

+ 142 more

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Same weakness CWE-20 – Improper Input Validation

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CVE-2017-9791 CRITICAL POC

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CVE-2019-0604 CRITICAL POC

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CVE-2017-5689 CRITICAL POC

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CVE-2017-12635 CRITICAL POC

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References

Advisories & patches

PATCH http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00917.html

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

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