XSS in Cisco Application Policy Infrastructure Controller
CVE-2025-20116
A vulnerability in the web UI of Cisco APIC could allow an authenticated, remote attacker to perform a stored XSS attack on an affected system. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper input validation in the web UI. An authenticated attacker could exploit this vulnerability by injecting malicious code into specific pages of the web UI. A successful exploit could allow the attacker to execute arbitrary script code in the context of the web UI or access sensitive, browser-based information.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (19.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Cisco Application_policy_infrastructure_controller — versions 3.2\(1l\), 3.2\(1m\), 3.2\(2l\)
- Cisco Application Policy Infrastructure Controller (Apic) — versions 3.2(8d), 3.2(1m), 3.2(5e)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20116?
- CVE-2025-20116 is a medium-severity vulnerability in Cisco Application Policy Infrastructure Controller, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-02-26.
- How severe is CVE-2025-20116?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2025-20116 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.