5.5
MEDIUM
CVE-2023-27471
Insyde InsydeH2O UEFI MeSetup Variable Denial of Service Vulnerability
Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. UEFI implementations do not correctly protect and validate information contained in the 'MeSetup' UEFI variable. On some systems, this variable can be overwritten using operating system APIs. Exploitation of this vulnerability could potentially lead to denial of service for the platform.

INFO

Published Date :

Aug. 18, 2023, 7:15 p.m.

Last Modified :

Aug. 24, 2023, 4:14 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2023-27471 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Insyde insydeh2o
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-27471.

URL Resource
https://www.insyde.com/security-pledge/SA-2023036 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-27471 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-27471 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Aug. 24, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.insyde.com/security-pledge/SA-2023036 No Types Assigned https://www.insyde.com/security-pledge/SA-2023036 Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:insyde:insydeh2o:5.0:*:*:*:*:*:*:* *cpe:2.3:a:insyde:insydeh2o:5.1:*:*:*:*:*:*:* *cpe:2.3:a:insyde:insydeh2o:5.2:*:*:*:*:*:*:* *cpe:2.3:a:insyde:insydeh2o:5.3:*:*:*:*:*:*:* *cpe:2.3:a:insyde:insydeh2o:5.4:*:*:*:*:*:*:* *cpe:2.3:a:insyde:insydeh2o:5.5:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-27471 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-27471 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.06992

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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