Cisco IOS and IOS XE Software Improper Input Validation Vulnerability
Cisco · IOS and IOS XE Software
Date added (CISA)
2022-03-03
Remediation due
2022-03-17
Known ransomware use
Not indicated
Remediation priority
P2 — past CISA due date
Description
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).