CVE-2025-20190: cisco cisco ios xe software Improper Access Control
Vulnerability summary
CVE-2025-20190 is a medium (CVSS 6.5) Improper Access Control vulnerability in cisco cisco ios xe software. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.9% of scored vulnerabilities.
Timeline
- 07-05-2025PublishedVulnerability first disclosed.
- 07-05-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
+0.02 pp
From 0.40% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
- cisco ios xe software17.6.8 | 17.9.6 | 17.9.6a | 17.12.1z2 | 17.12.1z3 | 17.15.1 | 17.15.1x
- ios_xe17.6.8 | 17.9.6 | 17.9.6a | 17.12.1z2 | 17.12.1z3 | 17.15.1 | 17.15.1x
1 vendor · 2 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory