Detections
Analytics

Cisco IOS XR Software Cisco Discovery Protocol RCE (cisco-sa-20200205-iosxr-cdp-rce)

high Nessus Network Monitor Plugin ID 701265

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, the Cisco IOS XR Software is affected by a remote code execution vulnerability within the Cisco Discovery Protocol due to improper validation of string input. An unauthenticated, adjacent attacker can exploit this to bypass authentication and execute arbitrary commands with root privileges.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvr09190.

See Also

http://www.nessus.org/u?b9623904

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr09190

Plugin Details

Severity: High

ID: 701265

Family: SNMP

Published: 2/18/2020

Updated: 8/18/2020

Nessus ID: 133603

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

Patch Publication Date: 2/5/2020

Vulnerability Publication Date: 2/5/2020

Reference Information

CVE: CVE-2020-3118