CVE-2022-20624

HIGHCVSS 7.5/10EPSS 12.40%

Last modified

CVE-2022-20624 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 12.40% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
12.40%

95.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoNx-Os7.0\(3\)
CiscoNx-Os9.2\(2\)
CiscoNx-Os9.2\(3\)
CiscoNx-Os9.3\(3\)
CiscoNx-Os9.3\(5\)
CiscoNx-Os4.1\(1a\)a

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2022-20624?
CVE-2022-20624 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 12.40% probability of exploitation in the next 30 days.
How do I fix CVE-2022-20624?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-20624?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST