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

Quick assessment

Affected
Cisco Cisco Wireless LAN Controller (WLC)
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Wireless LAN Controller（WLC）是美国思科（Cisco）公司的一款无线局域网控制器产品。该产品在无线局域网中提供安全策略、入侵检测等功能。 Cisco Wireless LAN Controller 管理接口存在安全漏洞，该漏洞源于密码执行不当。攻击者可以通过使用精心制作的凭据登录受影响的设备来利用此漏洞。 成功的利用可能允许攻击者绕过身份验证并以管理员身份登录设备。 攻击者可以获得与管理用户相同级别的权限，但这取决于精心制作的凭据。以下产品和版本受到影响：3504 无

CVSS 10.0 · Critical EPSS 19.77% · P97
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I. Basic Information for CVE-2022-20695

Vulnerability Information
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Vulnerability Title
Cisco Wireless LAN Controller Management Interface Authentication Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证算法的不正确实现
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Wireless LAN Controller 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Wireless LAN Controller（WLC）是美国思科（Cisco）公司的一款无线局域网控制器产品。该产品在无线局域网中提供安全策略、入侵检测等功能。 Cisco Wireless LAN Controller 管理接口存在安全漏洞，该漏洞源于密码执行不当。攻击者可以通过使用精心制作的凭据登录受影响的设备来利用此漏洞。 成功的利用可能允许攻击者绕过身份验证并以管理员身份登录设备。 攻击者可以获得与管理用户相同级别的权限，但这取决于精心制作的凭据。以下产品和版本受到影响：3504 无
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Wireless LAN Controller (WLC) n/a -

II. Public POCs for CVE-2022-20695

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III. Intelligence Information for CVE-2022-20695

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Same Patch Batch · Cisco · 2022-04-15 · 34 CVEs total

CVE-2022-20622 8.6 HIGH Cisco Embedded Wireless Controller with Catalyst Access Points IP Flood Denial of Service
CVE-2022-20714 8.6 HIGH Cisco IOS XR Software for ASR 9000 Series Routers Lightspeed-Plus Line Cards Denial of Ser
CVE-2022-20697 8.6 HIGH Cisco IOS and IOS XE Software Web Services Denial of Service Vulnerability
CVE-2022-20678 8.6 HIGH Cisco IOS XE Software AppNav-XE Denial of Service Vulnerability
CVE-2022-20682 8.6 HIGH Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Se
CVE-2022-20683 8.6 HIGH Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Application Visibility
CVE-2022-20716 7.8 HIGH Cisco SD-WAN Solution Improper Access Control Vulnerability
CVE-2022-20681 7.8 HIGH Cisco IOS XE Software for Cisco Catalyst 9000 Family Switches and Catalyst 9000 Family Wir
CVE-2022-20692 7.7 HIGH Cisco IOS XE Software NETCONF Over SSH Denial of Service Vulnerability
CVE-2022-20684 7.4 HIGH Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of
CVE-2022-20761 7.4 HIGH Cisco 1000 Series Connected Grid Router Integrated Wireless Access Point Denial of Service
CVE-2022-20739 7.3 HIGH Cisco SD-WAN vManage Software Privilege Escalation Vulnerability
CVE-2022-20679 6.8 MEDIUM Cisco IOS XE Software IPSec Denial of Service Vulnerability
CVE-2022-20694 6.8 MEDIUM Cisco IOS XE Software Border Gateway Protocol Resource Public Key Infrastructure Denial of
CVE-2022-20758 6.8 MEDIUM Cisco IOS XR Software Border Gateway Protocol Ethernet VPN Denial of Service Vulnerability
CVE-2022-20747 6.5 MEDIUM Cisco SD-WAN vManage Software Information Disclosure Vulnerability
CVE-2022-20735 6.5 MEDIUM Cisco SD-WAN vManage Software Cross-Site Request Forgery Vulnerability
CVE-2022-20726 5.5 MEDIUM Cisco IOx Application Hosting Environment Vulnerabilities
CVE-2022-20718 5.5 MEDIUM Cisco IOx Application Hosting Environment Vulnerabilities
CVE-2022-20725 5.5 MEDIUM Cisco IOx Application Hosting Environment Vulnerabilities

Showing top 20 of 34 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Wireless LAN Controller (WLC)
Same vendor: Cisco
Same weakness: CWE-303

V. Comments for CVE-2022-20695

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