6.8
MEDIUM
CVE-2020-5376
Dell Inspiron 7347 BIOS UEFI Boot Services Overwrite SMM Escape
Description

Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).

INFO

Published Date :

Sept. 2, 2020, 9:15 p.m.

Last Modified :

Sept. 14, 2020, 3:11 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.9
Public PoC/Exploit Available at Github

CVE-2020-5376 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-5376 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 Dell cpg_bios
2 Dell inspiron_7347_bios
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-2020-5376.

URL Resource
https://www.dell.com/support/article/SLN322616 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).

CVE Data Analysis, CVE Monitor, CVE EXP Prediction Based on Deep Learning. 1999-2020年存量CVE数据分析、监控CVE增量更新、基于深度学习的CVE EXP预测和自动化推送

Python

Updated: 2 months, 3 weeks ago
176 stars 24 fork 24 watcher
Born at : June 15, 2020, 2:56 p.m. This repo has been linked 692 different CVEs too.

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

The following list is the news that have been mention CVE-2020-5376 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-5376 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]

    Sep. 14, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.dell.com/support/article/SLN322616 No Types Assigned https://www.dell.com/support/article/SLN322616 Vendor Advisory
    Added CWE NIST CWE-416
    Added CPE Configuration AND OR *cpe:2.3:o:dell:inspiron_7347_bios:*:*:*:*:*:*:*:* versions up to (excluding) a13 OR cpe:2.3:h:dell:inspiron_7347:-:*:*:*:*:*:*:*
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-2020-5376 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-2020-5376 weaknesses.

Exploit Prediction

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

0.08 }} 0.00%

score

0.33602

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability