TianoCore EDK2 up to <=stable202505 information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in TianoCore EDK2. Impacted is an unknown function. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2024-38798. Local access is required to approach this attack. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in TianoCore EDK2. Affected by this issue is an unknown functionality. 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. CVE summarizes:

EDK2 contains a vulnerability in BIOS where an attacker may cause “Exposure of Sensitive Information to an Unauthorized Actor” by local access. Successful exploitation of this vulnerability will lead to possible information disclosure or escalation of privilege and impact Confidentiality.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2024-38798 since 06/19/2024. The exploitation is known to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 278014 (Linux Distros Unpatched Vulnerability : CVE-2024-38798), which helps to determine the existence of the flaw in a target environment.

Upgrading to version edk2-stable202511 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (278014) and CERT Bund (WID-SEC-2025-2807). Once again VulDB remains the best source for vulnerability data.

Affected

  • Lenovo BIOS
  • Lenovo Computer
  • TianoCore EDK2

Productinfo

Vendor

Name

Version

Website

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: 2.5
VulDB Meta Temp Score: 2.4

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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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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Nessus ID: 278014
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2024-38798

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: EDK2 edk2-stable202511

Timelineinfo

06/19/2024 CVE reserved
12/09/2025 +538 days Advisory disclosed
12/09/2025 +0 days VulDB entry created
12/11/2025 +2 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2024-38798 (🔒)
GCVE (CVE): GCVE-0-2024-38798
GCVE (VulDB): GCVE-100-335252
CERT Bund: WID-SEC-2025-2807 - TianoCore EDK2: Schwachstelle erm&ouml;glicht Offenlegung von Informationen

Entryinfo

Created: 12/09/2025 17:10
Updated: 12/11/2025 01:43
Changes: 12/09/2025 17:10 (66), 12/10/2025 15:47 (2), 12/11/2025 01:43 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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