CVE-2019-1838: Cisco Application Policy Infrastructure Controller

Medium severity, CVSS 5.4. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Application Policy Infrastructure Controller (APIC) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. This vulnerability has been fixed in software version 14.1(1i).

Affected products

• Cisco Application Policy Infrastructure Controller: version 3.2(5d) only; version 4.0(3d) only

Published 2019-05-03. Last modified 2026-06-17.