Detections
Analytics
Cisco IOS XE Software for cBR 8 Converged Broadband Routers Common Open Policy Service Denial of Service (cisco-sa-cbr8-cops-Vc2ZsJSx)
high Nessus Plugin ID 168023
Language:
Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco IOS-XE Software for Cisco cBR-8 Converged Broadband Routers is affected by a DoS vulnerability in the Common Open Policy Service (COPS). A deadlock condition exists in the COPS packet processing that could allow allow an unauthenticated, remote attacker to cause resource exhaustion, resulting in a denial of service (DoS) condition.Please see the included Cisco BID and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvw49029See Also
http://www.nessus.org/u?f3f46ab9
http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74581
Plugin Details
Severity: High
ID: 168023
File Name: cisco-sa-cbr8-cops-Vc2ZsJSx-iosxe.nasl
Version: 1.5
Type: combined
Family: CISCO
Published: 11/21/2022
Updated: 9/28/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.2
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2021-1622
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_xe
Required KB Items: Host/Cisco/IOS-XE/Version
Exploit Ease: No known exploits are available
Patch Publication Date: 9/22/2021
Vulnerability Publication Date: 9/22/2021
Reference Information
CVE: CVE-2021-1622