CVE-2023-43490

MEDIUM

Published Mar 14, 2024 Modified Apr 15, 2026 CWE-682

Description

Incorrect calculation in microcode keying mechanism for some Intel(R) Xeon(R) D Processors with Intel(R) SGX may allow a privileged user to potentially enable information disclosure via local access.

Is your site exposed to CVE-2023-43490?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-682 CWE-682

References

Other References

https://lists.debian.org/debian-lts-announce/2024/05/msg00003.html https://security.netapp.com/advisory/ntap-20240405-0009/ https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01045.html https://lists.debian.org/debian-lts-announce/2024/05/msg00003.html https://security.netapp.com/advisory/ntap-20240405-0009/ https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01045.html

Frequently Asked Questions

What is CVE-2023-43490? +

Incorrect calculation in microcode keying mechanism for some Intel(R) Xeon(R) D Processors with Intel(R) SGX may allow a privileged user to potentially enable information disclosure via local access. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2023-43490? +

CVE-2023-43490 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2023-43490? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-18459

Incorrect Calculation vulnerability in RTI Connext Professional (Core Libraries) allows Abuse Existing Functionality. This issue affects Connext Professional: from 7.4.0 …

CVE-2025-54427

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. The extrinsic note_min_gas_price_target is an inherent extrinsic, …

CVE-2025-59047

matrix-sdk-base is the base component to build a Matrix client library. In matrix-sdk-base before 0.14.1, calling the `RoomMember::normalized_power_level()` method can …

CVE-2026-106420

Incorrect calculation in API in Google Chrome on on Windows prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering …

CVE-2024-36736 9.8

An issue in the oneflow.permute component of OneFlow-Inc. Oneflow v0.9.1 causes an incorrect calculation when the same dimension operation is …

CVE-2026-16363 9.8

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and …