Intel Server D50DNP Board/Server M50FCP Board prior 01.02.0003 BackupBiosUpdate UEFI Firmware SmiVariable Driver information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Intel Server D50DNP Board and Server M50FCP Board. This issue affects some unknown processing of the component BackupBiosUpdate UEFI Firmware SmiVariable Driver. The manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2025-20034. Local access is required to approach this attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Intel Server D50DNP Board and Server M50FCP Board. It has been rated as problematic. This issue affects some unknown functionality of the component BackupBiosUpdate UEFI Firmware SmiVariable Driver. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Improper input validation in the BackupBiosUpdate UEFI firmware SmiVariable driver for the Intel(R) Server D50DNP and M50FCP boards before version R01.02.0003 may allow a privileged user to potentially enable information disclosure via local access.

It is possible to read the advisory at intel.com. The identification of this vulnerability is CVE-2025-20034 since 10/10/2024. The exploitation is known to be difficult. Attacking locally is a requirement. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 01.02.0003 eliminates this vulnerability.

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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: 3.6
VulDB Meta Temp Score: 3.6

VulDB Base Score: 1.9
VulDB Temp Score: 1.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (intel): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server D50DNP Board/Server M50FCP Board 01.02.0003

Timelineinfo

10/10/2024 🔍
05/14/2025 +216 days 🔍
05/14/2025 +0 days 🔍
05/14/2025 +0 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-01269
Status: Confirmed

CVE: CVE-2025-20034 (🔍)
GCVE (CVE): GCVE-0-2025-20034
GCVE (VulDB): GCVE-100-308807

Entryinfo

Created: 05/14/2025 06:20
Changes: 05/14/2025 06:20 (77)
Complete: 🔍
Cache ID: 216::103

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