CVE-2021-1444

Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software Web Services Interface Cross-Site Scripting Vulnerability

MEDIUM

6.1

CVSS Score

Published: November 18, 2024 at 03:31 PM UTC

Updated: June 17, 2026 at 03:31 AM UTC

1 product affected across 1 vendorAdaptive Security Appliance

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Severity

MEDIUM6.1

Exploit prediction

EPSS 0.5%

SSVC

No known exploit

Description

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web services interface of an affected device. 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 interface or allow the attacker to access sensitive, browser-based information.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.This advisory is part of the October 2021 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication. For a complete list of the advisories and links to them, see .