CVE-2024-20291

CWE-284 — Improper Access Control CWE-863 — Incorrect Authorization4 documents4 sources

Severity

5.8MEDIUM

EPSS

14.0%

top 5.65%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Cisco Cisco Nx-os Software Cisco Nx-os

Timeline

PublishedFeb 29

Description

A vulnerability in the access control list (ACL) programming for port channel subinterfaces of Cisco Nexus 3000 and 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to send traffic that should be blocked through an affected device. This vulnerability is due to incorrect hardware programming that occurs when configuration changes are made to port channel member ports. An attacker could exploit this vulnerability by attempting to send traffic through an…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

▶NVDcisco/nx-os9.3\(10\), 9.3\(11\), 9.3\(12\)+2

▶CVEListV5cisco/cisco_nx-os_software9.3(10), 9.3(11), 9.3(12)+2

🔴Vulnerability Details

GHSA

GHSA-wwgf-8wgf-pm54: A vulnerability in the access control list (ACL) programming for port channel subinterfaces of Cisco Nexus 3000 and 9000 Series Switches in standalone↗2024-02-29

▶

CVEList

CVE-2024-20291: A vulnerability in the access control list (ACL) programming for port channel subinterfaces of Cisco Nexus 3000 and 9000 Series Switches in standalone↗2024-02-28

▶

📋Vendor Advisories

Cisco

Cisco Nexus 3000 and 9000 Series Switches Port Channel ACL Programming Vulnerability↗2024-02-28

▶