CVE-2022-20728 – Cisco Access Points VLAN Bypass from Native VLAN Vulnerability

https://notcve.org/view.php?id=CVE-2022-20728

30 Sep 2022 — A vulnerability in the client forwarding code of multiple Cisco Access Points (APs) could allow an unauthenticated, adjacent attacker to inject packets from the native VLAN to clients within nonnative VLANs on an affected device. This vulnerability is due to a logic error on the AP that forwards packets that are destined to a wireless client if they are received on the native VLAN. An attacker could exploit this vulnerability by obtaining access to the native VLAN and directing traffic directly to the clien... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apvlan-TDTtb4FY • CWE-284: Improper Access Control •