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5.3 Medium

CVE-2025-20221 A vulnerability in the packet filtering features of Cisco IOS XE SD-WAN Software could allow an unauthenticated,…

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 and versions

Product Affected versions Fixed in
Cisco IOS XE Software 17.16 17.16.1a → 17.16.1 No fix stated
Cisco IOS XE Software 17.15 17.15.1x → 17.15.2 No fix stated
Cisco IOS XE Software 17.14 17.14.1a → 17.14.1 No fix stated
Cisco IOS XE Software 17.13 17.13.1a → 17.13.1 No fix stated
Cisco IOS XE Software 17.12 17.12.1z2 → 17.12.4 No fix stated
Cisco IOS XE Software 17.11 17.11.1a → 17.11.1 No fix stated
Cisco IOS XE Software 17.10 17.10.1a → 17.10.1 No fix stated
Cisco IOS XE Software 17.9 17.9.1a → 17.9.6 No fix stated
Cisco IOS XE Software 17.8 17.8.1a → 17.8.1 No fix stated
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Product Affected versions Fixed in
Cisco IOS XE Software 17.7 17.7.1a → 17.7.2 No fix stated
Cisco IOS XE Software 17.6 17.6.1y → 17.6.8 No fix stated
Cisco IOS XE Software 17.5 17.5.1a → 17.5.1 No fix stated
Cisco IOS XE Software 17.4 17.4.1a → 17.4.2 No fix stated
Cisco IOS XE Software 17.3 17.3.1a → 17.3.8 No fix stated
Cisco IOS XE Software 17.2 17.2.1r → 17.2.3 No fix stated
Cisco IOS XE Software 17.1 17.1.1s → 17.1.3 No fix stated
Cisco IOS XE Software 16.12.13 No fix stated

References

Timeline

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