Detections
Analytics
Cisco IOS XR Software for ASR 9000 Series Routers Lightspeed Plus Line Cards DoS (cisco-sa-lsplus-Z6AQEOjk)
high Nessus Plugin ID 160086
Language:
Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco IOS XR is affected by denial of service vulnerability due to a vulnerability in the data plane microcode of Lightspeed-Plus line cards that cause the line card to reset. An unauthenticated, remote attacker can exploit these by sending a specific IPv4 or IPv6 packet through an affected device. A successful exploit could allow the attacker to cause the affected line card to reset.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 CSCvy48962See Also
http://www.nessus.org/u?9c2f5ce1
https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74835
Plugin Details
Severity: High
ID: 160086
File Name: cisco-sa-lsplus-Z6AQEOjk-iosxr.nasl
Version: 1.5
Type: combined
Family: CISCO
Published: 4/22/2022
Updated: 5/18/2022
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2022-20714
CVSS v3
Risk Factor: High
Base Score: 8.6
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/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: 4/13/2022
Vulnerability Publication Date: 4/13/2022
Reference Information
CVE: CVE-2022-20714