Cisco IOS and IOS XE Software Improper Input Validation Vulnerability

A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow for denial-of-service (DoS).

cat cve-2018-0172.json

Vendor: Cisco
Product: IOS and IOS XE Software
CVSS: 8.6
EPSS (exploit probability): 7.9%
Status: kev
CISA patch-by (BOD 22-01): March 17, 2022
Published: March 3, 2022
Source: https://nvd.nist.gov/vuln/detail/CVE-2018-0172

A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow for denial-of-service (DoS).

Added to CISA’s Known Exploited Vulnerabilities catalog on 2022-03-03. Required action per CISA: Apply updates per vendor instructions. Due date: 2022-03-17.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.