What’s Vulnerable › Vulnerabilities

CVE-2017-12222

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-09-29 · updated 2026-06-17
• Weakness: CWE-399

Description

A vulnerability in the wireless controller manager of Cisco IOS XE could allow an unauthenticated, adjacent attacker to cause a restart of the switch and result in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by submitting a crafted association request. An exploit could allow the attacker to cause the switch to restart. This vulnerability affects Cisco Catalyst 3650 and 3850 switches running IOS XE Software versions 16.1 through 16.3.3, and acting as wireless LAN controllers (WLC). Cisco Bug IDs: CSCvd45069.

Affected products

• Cisco IOS XE: 16.1.1, 16.1.2, 16.1.3, 16.1.3a, 16.1.4, 16.2.1 (+7)

References

• http://www.securityfocus.com/bid/101035
• http://www.securitytracker.com/id/1039458
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-ios-xe
• http://www.securityfocus.com/bid/101035
• http://www.securitytracker.com/id/1039458
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-ios-xe

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