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Vulnerability Details : CVE-2018-0156

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.
Publish Date : 2018-03-28 Last Update Date : 2019-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
7.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 20

- Products Affected By CVE-2018-0156

# Product Type Vendor Product Version Update Edition Language
1 OS Cisco IOS 15.2(2)e4 Version Details Vulnerabilities
2 OS Cisco IOS 15.2(2a)ja Version Details Vulnerabilities
3 OS Cisco Ios Xe 15.2(2)e4 Version Details Vulnerabilities
4 OS Cisco Ios Xe 15.2(2a)ja Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco IOS 2
Cisco Ios Xe 2

- References For CVE-2018-0156

https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi CONFIRM
http://www.securitytracker.com/id/1040596
SECTRACK 1040596
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
http://www.securityfocus.com/bid/103569
BID 103569 Cisco IOS and IOS XE Software CVE-2018-0156 Denial of Service Vulnerability Release Date:2018-03-28

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2018-0156

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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