Vulnerability in Cisco Nexus 3550 System Software

CVE-2024-20371

A vulnerability in the access control list (ACL) programming of Cisco Nexus 3550-F Switches could allow an unauthenticated, remote attacker to send traffic that should be blocked to the management interface of an affected device.  This vulnerability exists because ACL deny rules are not properly enforced at the time of device reboot. An attacker could exploit this vulnerability by attempting to send traffic to the management interface of an affected device. A successful exploit could allow the attacker to send traffic to the management interface of the affected device.

EPSS: 0.004 (36.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-20371?
CVE-2024-20371 is a medium-severity vulnerability in Cisco Nexus 3550 System Software, classified under CWE-264. CVSS score: 5.3/10. Published 2024-11-06.
How severe is CVE-2024-20371?
Medium severity. CVSS v3 base score is 5.3 out of 10.