PT-2020-2420 · Cisco · Cisco Wireless Lan Controller

Fabian Beck + 2 · Published 2020-04-15 · Updated 2021-09-14 · CVE-2020-3262

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco Wireless LAN Controller (WLC) Software (affected versions not specified)

Description The issue is related to insufficient validation of input data in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol handler. This could allow a remote attacker to cause a denial of service (DoS) condition by sending a specially crafted CAPWAP packet. A successful exploit could result in the affected device restarting, leading to a DoS condition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2020-02421

CVE-2020-3262

Affected Products

Cisco Wireless Lan Controller

References · 4

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-capwap-dos-Y2sD9uEw · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3262 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3262 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-02421 · Security Note