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CVE-2025-20221

MEDIUM CVSS: 5.3 Published: 2025-05-07 Modified: 2026-06-17

Description

A vulnerability in the packet filtering features of Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to bypass Layer 3 and Layer 4 traffic filters. This vulnerability is due to improper traffic filtering conditions on an affected device. An attacker could exploit this vulnerability by sending a crafted packet to the affected device. A successful exploit could allow the attacker to bypass the Layer 3 and Layer 4 traffic filters and inject a crafted packet into the network.

Affected Platforms

Cisco Ios Xe

Weakness Type

CWE-200

References