What’s Vulnerable › Vulnerabilities

CVE-2018-0420: Cisco Wireless LAN Controller Software Directory Traversal Vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-17 · updated 2026-06-17
• Weakness: CWE-22

Description

A vulnerability in the web-based interface of Cisco Wireless LAN Controller Software could allow an authenticated, remote attacker to view sensitive information. The issue is due to improper sanitization of user-supplied input in HTTP request parameters that describe filenames and pathnames. An attacker could exploit this vulnerability by using directory traversal techniques to submit a path to a desired file location. A successful exploit could allow the attacker to view system files on the targeted device, which may contain sensitive information.

Affected products

• Cisco Wireless LAN Controller (WLC): 8.2(151.0)

References

• http://www.securityfocus.com/bid/105671
• http://www.securitytracker.com/id/1041926
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-traversal
• http://www.securityfocus.com/bid/105671
• http://www.securitytracker.com/id/1041926
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-traversal

Get alerted when CVE-2018-0420 or the next vulnerability affects your stack