Intel Processors UEFI Firmware CseVariableStorageSmm input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in Intel Processors. It has been rated as critical. Affected by this vulnerability is the function CseVariableStorageSmm of the component UEFI Firmware. This manipulation causes input validation. This vulnerability appears as CVE-2024-29214. The attack requires local access. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Intel Processors (version unknown). It has been declared as critical. Affected by this vulnerability is the function CseVariableStorageSmm of the component UEFI Firmware. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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

It is possible to read the advisory at intel.com. This vulnerability is known as CVE-2024-29214 since 03/27/2024. The exploitation appears to be difficult. Attacking locally is a requirement. Additional levels of successful authentication are necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/01/2026).

The vulnerability scanner Nessus provides a plugin with the ID 216356 (Fedora 41 : microcode_ctl (2025-c99f9d789a)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (216356). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.4
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (intel): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 216356
Nessus Name: Fedora 41 : microcode_ctl (2025-c99f9d789a)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/27/2024 🔍
02/12/2025 +322 days 🔍
02/12/2025 +0 days 🔍
05/01/2026 +443 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-01139
Status: Confirmed

CVE: CVE-2024-29214 (🔍)
GCVE (CVE): GCVE-0-2024-29214
GCVE (VulDB): GCVE-100-295603

Entryinfo

Created: 02/12/2025 23:03
Updated: 05/01/2026 10:00
Changes: 02/12/2025 23:03 (74), 02/16/2025 13:03 (2), 05/01/2026 09:57 (1), 05/01/2026 10:00 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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