Cisco IOS XR Software Bootloader Unauthenticated Information Disclosure (cisco-sa-iosxr-load-infodisc-9rdOr5Fq)

medium Nessus Plugin ID 172406

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco IOS XR is affected by an information disclosure vulnerability. An unauthenticated attacker with physical access can exploit this, by being connected to the console port when the device is power cycled, in order to view sensitive files.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvz42457, CSCwc97332, CSCwd61802, CSCwd61820, CSCwd79460

Plugin Details

Severity: Medium

ID: 172406

File Name: cisco-sa-iosxr-load-infodisc-9rdOr5Fq-iosxr.nasl

Version: 1.1

Type: combined

Family: CISCO

Published: 3/10/2023

Updated: 10/27/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2023-20064

CVSS v3

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 4

Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xr

Required KB Items: Host/Cisco/IOS-XR/Version, Host/Cisco/IOS-XR/Model

Exploit Ease: No known exploits are available

Patch Publication Date: 3/8/2023

Vulnerability Publication Date: 3/8/2023

Reference Information

CVE: CVE-2023-20064

CISCO-SA: cisco-sa-iosxr-load-infodisc-9rdOr5Fq

IAVA: 2023-A-0126

CISCO-BUG-ID: CSCvz42457, CSCwc97332, CSCwd61802, CSCwd61820, CSCwd79460

Detections

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