CVE-2024-20397
Description
A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access to an affected device, or an authenticated, local attacker with administrative credentials, to bypass NX-OS image signature verification. This vulnerability is due to insecure bootloader settings. An attacker could exploit this vulnerability by executing a series of bootloader commands. A successful exploit could allow the attacker to bypass NX-OS image signature verification and load unverified software.
INFO
Published Date :
Dec. 4, 2024, 5:15 p.m.
Last Modified :
Dec. 4, 2024, 5:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.2
Exploitability Score :
0.9
Affected Products
The following products are affected by CVE-2024-20397
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.
No affected product recoded yet
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-2024-20397.
| URL | Resource |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-image-sig-bypas-pQDRQvjL |
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-2024-20397 vulnerability anywhere in the article.
-
The Hacker News
⚡ THN Recap: Top Cybersecurity Threats, Tools and Tips (Dec 2 - 8)
Cyber Threats / Weekly Recap This week's cyber world is like a big spy movie. Hackers are breaking into other hackers' setups, sneaky malware is hiding in popular software, and AI-powered scams are tr ... Read more
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security.nl
Bootloader-lek raakt meer dan honderd modellen Cisco-switches
Een bootloader-kwetsbaarheid in de Cisco NX-OS software raakt meer dan honderd modellen Nexus-, MDS- en UCS-switches, zo waarschuwt het netwerkbedrijf, dat updates beschikbaar heeft gesteld om het pro ... Read more
The following table lists the changes that have been made to the
CVE-2024-20397 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.
-
New CVE Received by [email protected]
Dec. 04, 2024
Action Type Old Value New Value Added Description A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access to an affected device, or an authenticated, local attacker with administrative credentials, to bypass NX-OS image signature verification. This vulnerability is due to insecure bootloader settings. An attacker could exploit this vulnerability by executing a series of bootloader commands. A successful exploit could allow the attacker to bypass NX-OS image signature verification and load unverified software. Added CVSS V3.1 AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N Added CWE CWE-284 Added Reference https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-image-sig-bypas-pQDRQvjL
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-20397 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-2024-20397
weaknesses.