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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2018-0156 Detail

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

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://www.securityfocus.com/bid/103569 CVE, Cisco Systems, Inc. Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1040596 CVE, Cisco Systems, Inc. Third Party Advisory  VDB Entry 
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 CVE, Cisco Systems, Inc. Third Party Advisory  US Government Resource 
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 CVE, Cisco Systems, Inc. Third Party Advisory  US Government Resource 
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi CVE, Cisco Systems, Inc. Vendor Advisory 

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 Name Date Added Due Date Required Action
Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability 03/03/2022 03/17/2022 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation cwe source acceptance level NIST  
CWE-399 Resource Management Errors Cisco Systems, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-0156
NVD Published Date:
03/28/2018
NVD Last Modified:
01/27/2025
Source:
Cisco Systems, Inc.