CVE-2025-20190

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.

Published: 2025-05-07 Last update: 2025-07-31 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-20190 is rated Low Risk (33.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.07%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-20190

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-03 0.03% 0.07% +0.04%
2 2025-11-21 0.09% 0.03% -0.06%
3 2025-11-18 — 0.09% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-20190

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 [email protected]

Weakness enumeration for CVE-2025-20190

Affected software / configurations for CVE-2025-20190

Vendor Product Version Raw CPE
cisco ios_xe 17.6.8 cpe:2.3:o:cisco:ios_xe:17.6.8:*:*:*:*:*:*:*
cisco ios_xe 17.9.6 cpe:2.3:o:cisco:ios_xe:17.9.6:*:*:*:*:*:*:*
cisco ios_xe 17.9.6a cpe:2.3:o:cisco:ios_xe:17.9.6a:*:*:*:*:*:*:*
cisco ios_xe 17.12.1z2 cpe:2.3:o:cisco:ios_xe:17.12.1z2:*:*:*:*:*:*:*
cisco ios_xe 17.12.1z3 cpe:2.3:o:cisco:ios_xe:17.12.1z3:*:*:*:*:*:*:*
cisco ios_xe 17.15.1 cpe:2.3:o:cisco:ios_xe:17.15.1:*:*:*:*:*:*:*
cisco ios_xe 17.15.1x cpe:2.3:o:cisco:ios_xe:17.15.1x:*:*:*:*:*:*:*

References for CVE-2025-20190

cvelogic Threat Intelligence