Improper input validation in Cisco 5508 Wireless Controller
CVE-2020-3262
A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol handler of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of CAPWAP packets. An attacker could exploit this vulnerability by sending a malformed CAPWAP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to restart, resulting in a DoS condition.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Cisco 5508 Wireless Controller
- Cisco 5508 Wireless Controller Firmware — versions 8.8(120.0), 8.8\(120.0\)
- Cisco 5520 Wireless Controller
- Cisco 5520 Wireless Controller Firmware — versions 8.8(120.0), 8.8\(120.0\)
- Cisco Aironet Access Point Software
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-capw… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3262?
- CVE-2020-3262 is a high-severity vulnerability in Cisco 5508 Wireless Controller, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-04-15.
- How severe is CVE-2020-3262?
- High severity. CVSS v3 base score is 7.5 out of 10.