CVE-2025-20190
mediumpriority · track · 0EPSS 0.004 · 36 %ileDEEUNLRUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixed17.15.1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed17.6.8cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed17.9.6cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (73)
Products and version ranges known to be affected.
- Cisco IOS XE wireless Controller Softwareall versionscert_bundDEcpe:/o:cisco:ios_xe:wireless_controller_software
advisories (3)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0146Kwetsbaarheden verholpen in Cisco IOS XE SoftwareNL2025-05-08csaf · ncsc_nlNL
Cisco heeft kwetsbaarheden verholpen in Cisco IOS XE Software.
- WID-SEC-W-2025-0971Cisco IOS XE Wireless Controller: Mehrere SchwachstellenDeutsch2025-05-07csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Cisco IOS XE Wireless Controllern ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, beliebige Nutzerkonten zu löschen oder einen Denial of Service zu verursachen.
- cisco-sa-ewlc-user-del-hQxMpUDjCisco IOS XE Wireless Controller Software Unauthorized User Deletion Vulnerability2025-05-07csaf · cisco_csafUS
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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is part of the May 2025 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: May 2025 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75279"].
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewlc-user-del-hQxMpUDjcnnvd
- https://vigilance.fr/vulnerability/Cisco-IOS-XE-denial-of-service-via-Wireless-Controller-Software-User-Deletion-47097cnnvd
- https://www.cisco.com/c/en/us/support/index.htmlPatchcnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewlc-user-del-hQxMpUDjenisa_euvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewlc-user-del-hQxMpUDjVendor Advisorynvd
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