CVE Watch—

CVE-2018-0156

Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability

CVSS

—

No CVSS

EPSS

8.3%

p94

KEV

YES

Mar 3, 2022

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

8.3%EPSS · 30 days8.4%

2026-06-302026-07-16

KEV catalog record

Product

Cisco / IOS Software and Cisco IOS XE Software

Vulnerability

Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability

Added to KEV

Mar 3, 2022

Remediate by

Mar 17, 2022

Known ransomware use

Summary description

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

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2018-0156

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