medium5.3
CVE-2025-20221
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 …
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Cisco | Ios Xe | Versions 16.12.13, 17.1.1, 17.1.1s, 17.1.1t, 17.1.3, 17.2.1 |