CWE
20 119
Advisory Published
Updated

cisco-sa-20170927-dhcp: Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability

First published: Wed Sep 27 2017(Updated: )

The 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. The attacker could also

Credit: This vulnerability was found during internal testing.

Affected SoftwareAffected VersionHow to fix
Cisco IOS
Cisco IOS XE Software

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of cisco-sa-20170927-dhcp?

    The severity of cisco-sa-20170927-dhcp is classified as critical, allowing an unauthenticated remote attacker to potentially execute arbitrary code.

  • How do I fix cisco-sa-20170927-dhcp?

    To fix cisco-sa-20170927-dhcp, update the affected Cisco IOS or Cisco IOS XE software to the latest patched version provided by Cisco.

  • What products are affected by cisco-sa-20170927-dhcp?

    cisco-sa-20170927-dhcp affects Cisco IOS and Cisco IOS XE software running versions vulnerable to the DHCP relay subsystem issue.

  • Can cisco-sa-20170927-dhcp lead to system compromise?

    Yes, cisco-sa-20170927-dhcp can allow an attacker to gain full control of the affected system due to the arbitrary code execution vulnerability.

  • Is authentication required to exploit cisco-sa-20170927-dhcp?

    No, cisco-sa-20170927-dhcp can be exploited by an unauthenticated remote attacker.

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