What is CVE-2022-20624?

CVE-2022-20624 is a high-severity vulnerability in Cisco Nx-Os Software, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2022-02-23.

How severe is CVE-2022-20624?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2022-20624 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Cisco Nx-Os Software

CVE-2022-20624

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.124 (95.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20624?: CVE-2022-20624 is a high-severity vulnerability in Cisco Nx-Os Software, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2022-02-23.
How severe is CVE-2022-20624?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2022-20624 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.