XML Entity Expansion in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2021-1267

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Main Vulnerability Database Vulnerabilities #VU49582

XML Entity Expansion in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2021-1267

Published: January 13, 2021 / Updated: January 18, 2021


Vulnerability identifier: #VU49582
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1267
CWE-ID: CWE-776
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial o service (DoS) attack. 

The vulnerability exists due to improper restrictions on XML entities in the dashboard widget. A remote authenticated attacker can craft an XML-based widget on an affected server and cause a denial of service condition on the target system.


Remediation

Install updates from vendor's website.

External links