Home/CVE/Improper input validation in some Intel(R) Server Board BIOS firmware may allow a privileged user to potentially enable
CVE

CVE-2023-34431

Improper input validation in some Intel(R) Server Board BIOS firmware may allow a privileged user to potentially enable

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.

HIGH · CVSS 8.2 EPSS 0.00057
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-20Improper Input Validation
▤

Affected Products & Versions

33
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
▣

Scoring & Timeline

8.2
HIGH · CVSS v3.1 · secure@intel.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Nov 2023 · 07:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00719.htmlPatchVendor Advisory
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