What’s Vulnerable › Vulnerabilities

CVE-2019-15266: Cisco Wireless LAN Controller Path Traversal Vulnerability

• Severity: medium (CVSS 4.4 v3.1)
• 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: 2019-10-16 · updated 2026-06-17
• Weakness: CWE-22

Description

A vulnerability in the CLI of Cisco Wireless LAN Controller (WLC) Software could allow an authenticated, local attacker to view system files that should be restricted. This vulnerability is due to improper sanitization of user-supplied input in command-line parameters that describe filenames. 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 that may contain sensitive information.

Affected products

• Cisco Wireless LAN Controller (WLC): before 8.10 — fixed in 8.10

How to fix

Upgrade to a fixed version: Cisco Wireless LAN Controller (WLC) 8.10. Check the vendor advisory for mitigations.

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191016-wlc-pathtrav
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191016-wlc-pathtrav

Get alerted when CVE-2019-15266 or the next vulnerability affects your stack