Detections
Analytics

Cisco IOS XR Software Cisco Discovery Protocol DoS (cisco-sa-20200205-fxnxos-iosxr-cdp-dos)

medium Nessus Network Monitor Plugin ID 701266

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 denial of service vulnerability within the Cisco Discovery Protocol due to missing a check when processing protocol messages. An unauthenticated, adjacent attacker can exploit this to cause the device to reboot.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvr15024.

See Also

http://www.nessus.org/u?3303b2ba

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr15024

Plugin Details

Severity: Medium

ID: 701266

Family: SNMP

Published: 2/18/2020

Updated: 2/18/2020

Nessus ID: 133721

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2020-3120