CVE-2023-40540
MEDIUMCVSS 4.4/10EPSS 0.21%
Last modified
CVE-2023-40540 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. Non-Transparent Sharing of Microarchitectural Resources in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
Non-Transparent Sharing of Microarchitectural Resources in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Intel | Nuc 11 Pro Kit Nuc11tnkv50z Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhv70l Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhv50l Firmware | All versions |
| Intel | Nuc 11 Pro Board Nuc11tnbv7 Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnkv5 Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnkv7 Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhv5 Firmware | All versions |
| Intel | Nuc 11 Pro Mini Pc Nuc11tnkv5 Firmware | All versions |
| Intel | Nuc 11 Pro Mini Pc Nuc11tnkv7 Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhv7 Firmware | All versions |
| Intel | Nuc 11 Pro Board Nuc11tnbv5 Firmware | All versions |
| Intel | Nuc 9 Extreme Laptop Kit Lapqc71b Firmware | All versions |
| Intel | Nuc 9 Extreme Laptop Kit Lapqc71d Firmware | All versions |
| Intel | Nuc 9 Extreme Laptop Kit Lapqc71c Firmware | All versions |
| Intel | Nuc 9 Extreme Laptop Kit Lapqc71a Firmware | All versions |
| Intel | Nuc 11 Enthusiast Kit Nuc11phki7c Firmware | All versions |
| Intel | Nuc 11 Enthusiast Mini Pc Nuc11phki7caa Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi70z Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnki70z Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnki30z Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi30z Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnki50z Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi50z Firmware | All versions |
| Intel | Nuc 11 Pro Board Nuc11tnbi30z Firmware | All versions |
| Intel | Nuc 11 Pro Board Nuc11tnbi50z Firmware | All versions |
| Intel | Nuc 11 Pro Board Nuc11tnbi70z Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi3 Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi5 Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi7 Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnki3 Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnki5 Firmware | All versions |
| Intel | Nuc 11 Pro Board Nuc11tnbi3 Firmware | All versions |
| Intel | Nuc 11 Pro Board Nuc11tnbi5 Firmware | All versions |
| Intel | Nuc 11 Pro Board Nuc11tnbi7 Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi50w Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi50l Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi30l Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi70q Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi30p Firmware | All versions |
| Intel | Nuc 11 Pro Kit Nuc11tnhi70l Firmware | All versions |
| Intel | Nuc X15 Laptop Kit Lapkc71f Firmware | All versions |
| Intel | Nuc X15 Laptop Kit Lapkc71e Firmware | All versions |
| Intel | Nuc X15 Laptop Kit Lapkc51e Firmware | All versions |
| Intel | Nuc M15 Laptop Kit Lapbc710 Firmware | All versions |
| Intel | Nuc M15 Laptop Kit Lapbc510 Firmware | All versions |
| Intel | Nuc 11 Performance Kit Nuc11pahi70z Firmware | All versions |
| Intel | Nuc 11 Performance Kit Nuc11pahi50z Firmware | All versions |
| Intel | Nuc 11 Performance Kit Nuc11pahi30z Firmware | All versions |
| Intel | Nuc 11 Performance Kit Nuc11pahi3 Firmware | All versions |
| Intel | Nuc 11 Performance Kit Nuc11pahi5 Firmware | All versions |
Showing 50 of 56 affected configurations. See NVD for the full list.
References
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.htmlPatch, Vendor Advisory
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-40540?
Non-Transparent Sharing of Microarchitectural Resources in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.
How severe is CVE-2023-40540?
CVE-2023-40540 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2023-40540?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2023
- CVE-2023-40534When a client-side HTTP/2 profile and the HTTP MRF Router op…7.5
- CVE-2023-40535Stored cross-site scripting vulnerability in View setting pa…5.4
- CVE-2023-40536Race condition for some some Intel(R) PROSet/Wireless WiFi s…4.3
- CVE-2023-40537 An authenticated user's session cookie may remain valid for…8.1
- CVE-2023-40539Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2023-4054When opening appref-ms files, Firefox did not warn the user …5.5
- CVE-2023-40541This issue was addressed by adding an additional prompt for …5.5
- CVE-2023-40542When TCP Verified Accept is enabled on a TCP profile that is…7.5
- CVE-2023-40544 An attacker with access to the network where the …5.7
- CVE-2023-40545Authentication bypass when an OAuth2 Client is using client_…9.8
- CVE-2023-40546A flaw was found in Shim when an error happened while creati…5.5
- CVE-2023-40547A remote code execution vulnerability was found in Shim. The…8.3
Are you affected by CVE-2023-40540?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST