#VU60841 Resource management error in Cisco NX-OS - CVE-2022-20623

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Main Vulnerability Database Vulnerabilities #VU60841

#VU60841 Resource management error in Cisco NX-OS - CVE-2022-20623

Published: February 24, 2022


Vulnerability identifier: #VU60841
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-20623
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco NX-OS
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a logic error in the Bidirectional Forwarding Detection (BFD) rate limiter functionality. A remote attacker can send a crafted IPv4 or IPv6 stream of traffic through the device and perform a denial of service attack.


Remediation

Install update from vendor's website.

External links