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VULNERABILITIES

CVE-2018-0156 Details

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. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.

Metrics

CVSS 3.x Severity and Vector Strings:

References to Advisories, Solutions, and Tools

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This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability NameDate AddedDue DateRequired Action
Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service VulnerabilityMar 3, 2022Mar 17, 2022Apply updates per vendor instructions.

Weakness Enumeration

CWE-IDCWE NameSource
CWE-20Improper Input Validation[email protected]
CWE-399Resource Management Errors[email protected]

Affected Products

ProductVersions

Change History

18 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2018-0156
NVD Published Date:
Mar 28, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-0156 Details - Not Deferred