Cisco IOS XE up to 17.15.1x Lobby Ambassador Web Interface access control

Summaryinfo

A vulnerability classified as critical has been found in Cisco IOS XE up to 17.15.1x. This vulnerability affects unknown code of the component Lobby Ambassador Web Interface. This manipulation causes access control. This vulnerability is registered as CVE-2025-20190. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco IOS XE up to 17.15.1x. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Lobby Ambassador Web Interface. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect integrity. The summary by CVE is:

A vulnerability in the lobby ambassador web interface of Cisco IOS XE Wireless Controller Software could allow an authenticated, remote attacker to remove arbitrary users that are defined on an affected device. This vulnerability is due to insufficient access control of actions executed by lobby ambassador users. An attacker could exploit this vulnerability by logging in to an affected device with a lobby ambassador user account and sending crafted HTTP requests to the API. A successful exploit could allow the attacker to delete arbitrary user accounts on the device, including users with administrative privileges. Note: This vulnerability is exploitable only if the attacker obtains the credentials for a lobby ambassador account. This account is not configured by default.

It is possible to read the advisory at sec.cloudapps.cisco.com. This vulnerability is known as CVE-2025-20190 since 10/10/2024. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/01/2025). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Router Operating System

Vendor

• Cisco

Name

• IOS XE

Version

• 17.6.8
• 17.9.6
• 17.9.6a
• 17.12.1z2
• 17.12.1z3
• 17.15.1
• 17.15.1x

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

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CPE 2.2info

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