High severity8.6NVD Advisory· Published Feb 23, 2022· Updated Jun 17, 2026

CVE-2022-20624

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.

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Affected products

Cisco Systems, Inc./NX-OS Softwarellm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: n/a

Patches

Vulnerability mechanics

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cfsoip-dos-tpykyDrnvdVendor Advisory

News mentions

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cvss	0.559
epss	0.010
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000