Information disclosure in Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family

1) Information disclosure

EUVDB-ID: #VU67725

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-20810

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the Simple Network Management Protocol (SNMP). A remote user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco IOS XE: All versions

Catalyst 9800-CL Wireless Controllers for Cloud: All versions

Catalyst 9800 Embedded Wireless Controller: All versions

Catalyst 9800 Series Wireless Controllers: All versions

Embedded Wireless Controller on Catalyst Access Points: All versions

CPE2.3

• cpe:2.3:o:cisco_systems:cisco_ios_xe:*:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:catalyst_9800-cl_wireless_controllers_for_cloud:*:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:catalyst_9800_embedded_wireless_controller:*:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:catalyst_9800_series_wireless_controllers:*:*:*:*:*:*:*:*
• cpe:2.3:h:cisco_systems:embedded_wireless_controller_on_catalyst_access_points:*:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cwlc-snmpidv-rnyyQzUZ

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.