Published: 28/03/2018 Updated: 02/09/2020

CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 694

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote malicious user 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
cisco ios 15.2\\(2\\)e4
cisco ios 15.2\\(2a\\)ja
cisco ios_xe 15.2\\(2\\)e4
cisco ios_xe 15.2\\(2a\\)ja

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 sen ...

In recent weeks, Cisco has published several documents related to the Smart Install feature: one Talos blog about potential misuse of the feature if left enabled, and two Cisco Security Advisories that were included in the March 2018 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication Given the heightened awareness, ...

CWE-20 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi http://www.securitytracker.com/id/1040596 http://www.securityfocus.com/bid/103569 https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 https://nvd.nist.gov https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi

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CVE-2018-0156

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