Incorrect Implementation of Authentication Algorithm in Cisco Wireless LAN Controller
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-20695 |
| CWE-ID | CWE-303 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Wireless LAN Controller Software Other software / Other software solutions Virtual Wireless Controller Other software / Other software solutions 3504 Wireless Controller Hardware solutions / Routers & switches, VoIP, GSM, etc 5520 Wireless Controller Hardware solutions / Routers & switches, VoIP, GSM, etc 8540 Wireless Controller Hardware solutions / Routers & switches, VoIP, GSM, etc Cisco Mobility Express Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Incorrect Implementation of Authentication Algorithm
EUVDB-ID: #VU62340
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2022-20695
CWE-ID:
CWE-303 - Incorrect Implementation of Authentication Algorithm
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the improper implementation of the password validation algorithm in the authentication functionality. A remote attacker can bypass authentication and log in to the device as an administrator.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWireless LAN Controller Software: 8.10.151.0 - 8.10.162.0
3504 Wireless Controller: All versions
5520 Wireless Controller: All versions
8540 Wireless Controller: All versions
Cisco Mobility Express: All versions
Virtual Wireless Controller: All versions
CPE2.3- cpe:2.3:a:cisco_systems:wireless_lan_controller_software:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:wireless_lan_controller_software:8.10.151.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:wireless_lan_controller_software:8.10.162.0:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:3504_wireless_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:5520_wireless_controller:*:*:*:*:*:cisco_5500_series_wireless_controllers:*:*
- cpe:2.3:h:cisco_systems:8540_wireless_controller:*:*:*:*:*:8500_series_wireless_controllers:*:*
- cpe:2.3:h:cisco_systems:cisco_mobility_express:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:virtual_wireless_controller:*:*:*:*:*:*:*:*
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
