CVE-2023-20064: Detailed Vulnerability Analysis and Overview

Status: Modified - Last modified: 21-11-2024 Published: 09-03-2023

CVE-2023-20064
Vulnerability Scoring

4.6
/10

Attack Complexity Details

  • Attack Complexity: Low Impact
  • Attack Vector: PHYSICAL
  • Privileges Required: None
  • Scope: UNCHANGED
  • User Interaction: NONE

CIA Impact Definition

  • Confidentiality: HIGH IMPACT
  • Integrity:
  • Availability:

CVE-2023-20064 Vulnerability Summary

A vulnerability in the GRand Unified Bootloader (GRUB) for Cisco IOS XR Software could allow an unauthenticated attacker with physical access to the device to view sensitive files on the console using the GRUB bootloader command line. This vulnerability is due to the inclusion of unnecessary commands within the GRUB environment that allow sensitive files to be viewed. An attacker could exploit this vulnerability by being connected to the console port of the Cisco IOS XR device when the device is power-cycled. A successful exploit could allow the attacker to view sensitive files that could be used to conduct additional attacks against the device.

Access Complexity Graph for CVE-2023-20064

Impact Analysis for CVE-2023-20064

CVE-2023-20064: Detailed Information and External References

EPSS

0.00061

EPSS %

0.27830

References

0.00061

CWE

CWE-862

CAPEC

0.00061

Vulnerable Configurations

CVSS3 Source

ykramarz@cisco.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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