Input validation error in Cisco Wireless LAN Controller - CVE-2019-15276
Published: November 8, 2019 / Updated: June 17, 2021
Vulnerability identifier: #VU22602
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2019-15276
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Wireless LAN Controller
Cisco Wireless LAN Controller
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in the web interface due to a failure of the HTTP parsing engine to handle specially crafted URLs. A remote authenticated attacker can send a specially crafted URL to the web interface of the affected device and cause a denial of service condition on the target system.
Conversely, an unauthenticated attacker could exploit this vulnerability by persuading a user of the web interface to click the crafted URL.
How to mitigate CVE-2019-15276
Install updates from vendor's website.