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CVE PROGRAM SOURCE RECORD5.3 Medium

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 traffic filters.

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cisco Cisco IOS XE Software

  • 16.12.13affected
  • 17.1.1affected
  • 17.1.1saffected
  • 17.1.1taffected
  • 17.1.3affected
  • 17.2.1affected
  • 17.2.1raffected
  • 17.2.1aaffected
  • 17.2.1vaffected
  • 17.2.2affected
  • 17.2.3affected
  • 17.3.1affected
  • 17.3.2affected
  • 17.3.3affected
  • 17.3.1aaffected
  • 17.3.2aaffected
  • 17.3.4affected
  • 17.3.5affected
  • 17.3.4aaffected
  • 17.3.6affected
  • 17.3.7affected
  • 17.3.8affected
  • 17.3.8aaffected
  • 17.4.1affected
  • 17.4.2affected
  • 17.4.1aaffected
  • 17.4.1baffected
  • 17.5.1affected
  • 17.5.1aaffected
  • 17.6.1affected
  • 17.6.2affected
  • 17.6.1aaffected
  • 17.6.3affected
  • 17.6.1yaffected
  • 17.6.3aaffected
  • 17.6.4affected
  • 17.6.5affected
  • 17.6.6affected
  • 17.6.6aaffected
  • 17.6.5aaffected
  • 17.6.7affected
  • 17.6.8affected
  • 17.6.8aaffected
  • 17.7.1affected
  • 17.7.1aaffected
  • 17.7.2affected
  • 17.10.1affected
  • 17.10.1aaffected
  • 17.10.1baffected
  • 17.8.1affected
  • 17.8.1aaffected
  • 17.9.1affected
  • 17.9.2affected
  • 17.9.1aaffected
  • 17.9.3affected
  • 17.9.2aaffected
  • 17.9.3aaffected
  • 17.9.4affected
  • 17.9.5affected
  • 17.9.4aaffected
  • 17.9.5aaffected
  • 17.9.5baffected
  • 17.9.6affected
  • 17.9.6aaffected
  • 17.9.5eaffected
  • 17.9.5faffected
  • 17.11.1affected
  • 17.11.1aaffected
  • 17.12.1affected
  • 17.12.1aaffected
  • 17.12.2affected
  • 17.12.3affected
  • 17.12.4affected
  • 17.12.3aaffected
  • 17.12.1z2affected
  • 17.12.4aaffected
  • 17.12.4baffected
  • 17.13.1affected
  • 17.13.1aaffected
  • 17.14.1affected
  • 17.14.1aaffected
  • 17.15.1affected
  • 17.15.1aaffected
  • 17.15.2affected
  • 17.15.1xaffected
  • 17.15.2caffected
  • 17.15.2baffected
  • 17.16.1affected
  • 17.16.1aaffected

References