CVE-2018-0173 — Cisco IOS and IOS XE Software Improper Input Validation Vulnerability
CVE-2018-0173: Cisco IOS and IOS XE Software Improper Input Validation Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Cisco |
| Product | IOS and IOS XE Software |
| Date added | 2022-03-03 |
| Due date | 2022-03-17 |
| Ransomware campaign use | Unknown |
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).
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2018-0173
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-0173
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog