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CVE-2025-20221

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CVE-2025-20221

Published: May 7, 2025

Modified: May 7, 2025

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

VendorProductVersions

Cisco

Cisco IOS XE Software

affected
16.12.13
affected
17.1.1
affected
17.1.1s
affected
17.1.1t
affected
17.1.3

+84 more versions

Weaknesses (CWE)

CWE-200

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

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