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CVE-2017-12231

KEV
Updated Jan 14, 2026 · PUBLISHED
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Description

A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS could allow an unauthenticated, remote attacker to cause a denial of service.

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
Cisco IOSn/a / Cisco IOSCisco IOSaffected