THREATPORT/VULNERABILITY/CVE-2022-20624
HIGH SEVERITY

CVE-2022-20624

Nx Os vulnerability

CVSS
8.6
EPSS
12.4%
EPSS pct
96th
Exploited
No known
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.
Affected vendor
Cisco
Affected product
Nx Os
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-400 — Uncontrolled Resource Consumption
  • CWE-20 — Improper Input Validation
Published
2022-02-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 12.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2022-20624

  • Confirm whether Cisco Nx Os is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-20624.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-20624

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