๐Ÿ” CVE Alert

CVE-2023-20064

MEDIUM 4.6

Cisco IOS XR Software Bootloader Unauthenticated Information Disclosure Vulnerability

CVSS Score
4.6
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-862
Vendor cisco
Product cisco ios xr software
Ecosystems
Industries
NetworkingTelecommunications
Published Mar 9, 2023
Last Updated Oct 25, 2024
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CVSS v3 Breakdown

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Affected Versions

Cisco / Cisco IOS XR Software
n/a

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
sec.cloudapps.cisco.com: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-load-infodisc-9rdOr5Fq