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Cisco IOS XR Software Command Injection (cisco-sa-iosxr-cmd-inj-wbZKvPxc)

medium Nessus Plugin ID 153209

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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 multiple command injection vulnerabilities that allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvx48001, CSCvx48002

See Also

http://www.nessus.org/u?00664814

http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74637

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx48001

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx48002

Plugin Details

Severity: Medium

ID: 153209

File Name: cisco-sa-iosxr-cmd-inj-wbZKvPxc-iosxr.nasl

Version: 1.4

Type: combined

Family: CISCO

Published: 9/10/2021

Updated: 12/1/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-34722

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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

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: 9/8/2021

Vulnerability Publication Date: 9/8/2021

Reference Information

CVE: CVE-2021-34721, CVE-2021-34722