Improper access control in Cisco Firewall Threat Defense (FTD) - CVE-2021-34753

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Main Vulnerability Database Vulnerabilities #VU57784

Improper access control in Cisco Firewall Threat Defense (FTD) - CVE-2021-34753

Published: October 29, 2021


Vulnerability identifier: #VU57784
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-34753
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Firewall Threat Defense (FTD)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the payload inspection for Ethernet Industrial Protocol (ENIP) traffic. A remote attacker can bypass configured access control and intrusion policies that should be activated for the ENIP packet.


Remediation

Install updates from vendor's website.

External links