CVE-2021-1238

MEDIUM

Cisco Firepower Management Center - XSS

Title source: llm
STIX 2.1

Description

Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface of an affected system. The vulnerabilities exist because the web-based management interface does not properly validate user-supplied input. An attacker could exploit these vulnerabilities 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.

References (1)

Core 1
Core References

Scores

CVSS v3 4.8
EPSS 0.0019
EPSS Percentile 40.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
cisco/secure_firewall_management_center < 6.7.0
Published Jan 13, 2021
Tracked Since Feb 18, 2026