Cybersecurity Alerts

Actively Exploited Vulnerabilities

← Back to Cybersecurity Alerts

CVE-2018-0173

Cisco | IOS and IOS XE SoftwareAdded 2022-03-03Remediation Deadline 2022-03-17

Cisco IOS and IOS XE Software Improper Input Validation Vulnerability

A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets can allow for denial-of-service (DoS).

Required Action

Apply updates per vendor instructions.

Weakness Classification

CWE-20

References