Cisco IOS XR Software Unauthorized Information Disclosure (cisco-sa-ios-infodisc-4mtm9Gyt)

medium Nessus Plugin ID 146264

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, IOS-XR is affected by an information disclosure vulnerability in its CLI parser component due to insufficient application of restrictions for a specific command. An authenticated, local attacker can exploit this, by issuing a crafted command at the command line, to disclose potentially sensitive information.

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvt41022

See Also

http://www.nessus.org/u?e6289e04

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt41022

Plugin Details

Severity: Medium

ID: 146264

File Name: cisco-sa-ios-infodisc-4mtm9Gyt.nasl

Version: 1.12

Type: combined

Family: CISCO

Published: 2/5/2021

Updated: 1/26/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2021-1128

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/3/2021

Vulnerability Publication Date: 2/3/2021

Reference Information

CVE: CVE-2021-1128

CWE: 201

CISCO-SA: cisco-sa-ios-infodisc-4mtm9Gyt

IAVA: 2021-A-0062-S

CISCO-BUG-ID: CSCvt41022