Intel Server M20NTP Family UEFI input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Intel Server M20NTP Family UEFI. Affected is an unknown function. This manipulation causes input validation. This vulnerability appears as CVE-2024-39811. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability has been found in Intel Server M20NTP Family UEFI (affected version not known) and classified as critical. Affected by this vulnerability is some unknown functionality. 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 firmware for some Intel(R) Server M20NTP Family UEFI 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-2024-39811 since 08/01/2024. The exploitation appears to be difficult. Attacking locally is a requirement. Additional levels of successful authentication are necessary for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/13/2024).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source 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: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.3
CNA Vector (intel): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/01/2024 🔍
11/13/2024 +104 days 🔍
11/13/2024 +0 days 🔍
11/13/2024 +0 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-01175
Status: Confirmed

CVE: CVE-2024-39811 (🔍)
GCVE (CVE): GCVE-0-2024-39811
GCVE (VulDB): GCVE-100-284503

Entryinfo

Created: 11/13/2024 23:20
Changes: 11/13/2024 23:20 (72)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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