CVE-2017-12240 — Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability

CISA KEV listed Added March 3, 2022 Remediate by March 24, 2022

Description

The Dynamic Host Configuration Protocol (DHCP) relay subsystem of Cisco IOS and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2017-12240

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