CVE-2022-20624

HIGH

Cisco NX-OS - Unauthenticated Denial of Service via CFSoIP Packet Handling

Title source: llm
STIX 2.1

Description

A vulnerability in the Cisco Fabric Services over IP (CFSoIP) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) 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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.6
EPSS 0.0718
EPSS Percentile 91.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20 CWE-400
Status published
Products (6)
cisco/nx-os 7.0\(3\)
cisco/nx-os 9.2\(2\)
cisco/nx-os 9.2\(3\)
cisco/nx-os 9.3\(3\)
cisco/nx-os 9.3\(5\)
cisco/nx-os 4.1\(1a\)a
Published Feb 23, 2022
Tracked Since Feb 18, 2026