Detections
Analytics
Cisco NX-OS Software Cisco Fabric Services Over IP DoS (cisco-sa-cfsoip-dos-tpykyDr)
high Nessus Plugin ID 158563
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco NX-OS Software is affected by a vulnerability in the Cisco Fabric Services over IP component which could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. This vulnerability is due to insufficient validation of incoming CFSoIP packets.An attacker could exploit this vulnerability by sending crafted CFSoIP packets to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvy95696, CSCvy95840See Also
http://www.nessus.org/u?ca8da000
https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74834
Plugin Details
Severity: High
ID: 158563
File Name: cisco-sa-cfsoip-dos-tpykyDr.nasl
Version: 1.7
Type: combined
Family: CISCO
Published: 3/3/2022
Updated: 3/8/2022
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-2022-20624
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:nx-os
Required KB Items: Host/Cisco/NX-OS/Version, Host/Cisco/NX-OS/Model, Host/Cisco/NX-OS/Device
Exploit Ease: No known exploits are available
Patch Publication Date: 2/23/2022
Vulnerability Publication Date: 2/23/2022
Reference Information
CVE: CVE-2022-20624