Executive Summary

Informations
Name CVE-2023-20236 First vendor Publication 2023-09-13
Vendor Cve Last vendor Modification 2024-01-25

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device.

This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20236

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-345 Insufficient Verification of Data Authenticity

CPE : Common Platform Enumeration

TypeDescriptionCount
Hardware 1
Os 347

Sources (Detail)

Source Url
MISC https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory...

Alert History

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Date Informations
2024-10-09 02:38:08
  • Multiple Updates
2024-10-08 02:38:39
  • Multiple Updates
2024-10-03 13:35:37
  • Multiple Updates
2024-07-26 02:33:17
  • Multiple Updates
2024-01-25 21:27:50
  • Multiple Updates
2023-10-26 14:00:29
  • Multiple Updates
2023-10-26 02:27:44
  • Multiple Updates
2023-09-20 00:27:30
  • Multiple Updates
2023-09-19 13:27:26
  • Multiple Updates
2023-09-19 09:27:28
  • Multiple Updates
2023-09-14 17:27:19
  • First insertion