---
id: "CVE-2014-2120"
kind: "vulnerability"
aliases: ["CVE-2014-2120"]
title: "cisco adaptive security appliance software: Cross-site scripting (XSS) vulnerability in the WebVPN login page in Cisco Adaptive Security Appliance (ASA)\u2026"
severity: "medium"
cvss: 6.1
epss: null
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Cisco Adaptive Security Appliance (ASA)", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "cisco adaptive security appliance software", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["cisco-asa", "exploited", "infrastructure", "network-appliance", "webvpn"]
not_affected_if: ["webvpn-disabled"]
published_at: "2014-03-19T01:15:04+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T22:29:05+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2014-2120", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-2120", "first_seen_at": "2026-10-23T22:29:05+00:00"}]
---

# cisco adaptive security appliance software: Cross-site scripting (XSS) vulnerability in the WebVPN login page in Cisco Adaptive Security Appliance (ASA)…

Cisco ASA's WebVPN login page has a cross-site scripting flaw. A remote attacker can inject script or HTML through an unspecified parameter, which runs in the browser of a user who visits a crafted link.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Cisco Adaptive Security Appliance (ASA) affected ? fixed ?
- vendor:cisco adaptive security appliance software affected ? fixed ?

## How to check

Check whether WebVPN is enabled on the ASA (look for 'webvpn' in the running configuration).

## Fix

Apply the mitigation from the Cisco advisory, or stop using the affected ASA product, as CISA requires.

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2014-2120
- 2026-10-23T22:29:05+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2014-2120

## From the sources

Cisco Adaptive Security Appliance (ASA) contains a cross-site scripting (XSS) vulnerability in the WebVPN login page. This vulnerability allows remote attackers to inject arbitrary web script or HTML via an unspecified parameter.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_