CVE-2018-0174
Summary
| CVE | CVE-2018-0174 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-03-28 22:29:00 UTC |
| Updated | 2019-10-09 23:31:00 UTC |
| Description | A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because the affected software performs incomplete input validation of option 82 information that it receives in DHCP Version 4 (DHCPv4) packets from DHCP relay agents. An attacker could exploit this vulnerability by sending a crafted DHCPv4 packet to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCuh91645. |
Risk And Classification
EPSS: 0.054250000 probability, percentile 0.901200000 (date 2026-04-02)
CISA KEV: Listed on 2022-03-03; due 2022-03-17; ransomware use Unknown
Problem Types: CWE-20
CISA Known Exploited Vulnerability
| Vendor | Cisco |
|---|---|
| Product | IOS XE Software |
| Name | Cisco IOS Software and Cisco IOS XE Software Improper Input Validation Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2018-0174 |
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Rockwell Automation Stratix and ArmorStratix Switches | CISA | MISC | ics-cert.us-cert.gov | Third Party Advisory, US Government Resource |
| Rockwell Automation Stratix Industrial Managed Ethernet Switch | ICS-CERT | MISC | ics-cert.us-cert.gov | Third Party Advisory, US Government Resource |
| Cisco IOS/IOS XE DHCP Option 82 Processing Bugs Let Remote Users Cause the Target System to Reload - SecurityTracker | SECTRACK | www.securitytracker.com | Third Party Advisory, VDB Entry |
| Cisco IOS and IOS XE Software DHCP Version 4 Relay Denial of Service Vulnerability | CONFIRM | tools.cisco.com | Vendor Advisory |
| [R1] Cisco IOS and IOS XE Multiple Memory Corruption Vulnerabilities - Research Advisory | Tenable® | MISC | www.tenable.com | Third Party Advisory |
| Cisco IOS and IOS XE Software CVE-2018-0174 Denial of Service Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.