Vulnerability · Published Apr 15, 2022 · Assigned by cisco

CVE-2022-20695Cisco Wireless LAN Controller Management Interface Authentication Bypass Vulnerability

Critical 10.0

In plain English

A critical-severity security flaw in Cisco Wireless LAN Controller (WLC) from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 19.8% (higher than 97% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)19.8%top 2.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to bypass authentication controls and log in to the device through the management interface This vulnerability is due to the improper implementation of the password validation algorithm. An attacker could exploit this vulnerability by logging in to an affected device with crafted credentials. A successful exploit could allow the attacker to bypass authentication and log in to the device as an administrator. The attacker could obtain privileges that are the same level as an administrative user but it depends on the crafted credentials. Note: This vulnerability exists because of a non-default device configuration that must be present for it to be exploitable. For details about the vulnerable configuration, see the Vulnerable Products section of this advisory.

Affected products (as reported)

VendorProductVersions
Cisco Cisco Wireless LAN Controller (WLC) n/a

Weakness: CWE-303 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References