CVE-2023-34431

8.2 HIGH 0.2% exploit odds Fix listed

What it is

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

At a glance

Exploitability: Can be exploited locally on the machine with an admin-level account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-11-14 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 06:03 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.2% in the next 30 days (EPSS).
Severity: 8.2 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-11-14 19:15 UTC
Last modified: 2026-06-17 06:03 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-20 · Improper input validation
Record status: Modified

Affected

Intel Server Board m70klp2sb Firmware < 01.04.0022
Intel Server System m70klp4s2uhh Firmware < 01.04.0022
Intel Server Board m20ntp2sb Firmware < 0022.d02
Intel Server System m20ntp1ur304 Firmware < 0022.d02
Intel Server Board m10jnp2sb Firmware < 7.219
Intel Server Board s2600bpbr Firmware < 02.01.0015
Intel Server Board s2600bps Firmware < 02.01.0015
Intel Server Board s2600bpsr Firmware < 02.01.0015

Attack profile CVSS 3.1 · 8.2

Attack vector: Local
Complexity: Low
Privileges needed: High
User interaction: None
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-34431.md and follow it. Check whether this project is affected by CVE-2023-34431. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record