Cisco IOS XR Software for ASR 9000 Series Routers Bidirectional Forwarding Detection DoS (cisco-sa-bfd-XmRescbT)

high Nessus Plugin ID 173737

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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 a vulnerability.

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 CSCwc39336

Plugin Details

Severity: High

ID: 173737

File Name: cisco-sa-iosxr-XmRescbT-bfd.nasl

Version: 1.2

Type: combined

Family: CISCO

Published: 3/31/2023

Updated: 11/1/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-20049

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/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

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-2023-20049

CISCO-SA: cisco-sa-bfd-XmRescbT

IAVA: 2023-A-0126

CISCO-BUG-ID: CSCwc39336

Detections

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