Improper input validation in Cisco IOS XE - CVE-2017-12222

Vulnerability identifier: #VU8689

CSH Severity: Low

CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-12222

CWE-ID: CWE-20

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows an adjacent attacker to cause DoS condition on the target system.

The weakness exists in the wireless controller manager of Cisco IOS XE Software due to insufficient input validation. An adjacent attacker can he switch to restart.

Cisco IOS XE

Install update from vendor's website.

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-ios-xe

• Multiple vulnerabilities in Cisco IOS XE