Home › Exploited CVEs › CVE-2018-0156
CVE-2018-0156: Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability
Cisco IOS Software and Cisco IOS XE Software · in CISA KEV since 2022-03-03
2022-03-03added to KEV
2022-03-17federal remediation due date
8.60%EPSS exploit probability (30 days) 94.8th percentile
7.5 HIGHCVSS 3.1
Unknownknown ransomware use
1,436days from NVD publication to KEV
What it is
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial-of-service (DoS) condition.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-399 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD published | 2018-03-28 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2018-0156.json · all KEV CVEs
Kevscope: daily CISA KEV + EPSS datasetThe whole KEV catalog joined with daily EPSS and CVSS scores as CSV/Parquet, refreshed daily. Free to download.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.