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.
References
Link | Resource |
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https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-bypass-HHUVujdn | Vendor Advisory |
Configurations
Configuration 1 (hide)
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History
11 Jul 2025, 14:43
Type | Values Removed | Values Added |
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New CVE |
Information
Published : 2025-05-07 18:15
Updated : 2025-07-11 14:43
NVD link : CVE-2025-20221
Mitre link : CVE-2025-20221
CVE.ORG link : CVE-2025-20221
JSON object : View
Products Affected
cisco
- ios_xe
CWE
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor