Resource exhaustion in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2020-3305

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Main Vulnerability Database Vulnerabilities #VU27601

Resource exhaustion in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2020-3305

Published: May 7, 2020


Vulnerability identifier: #VU27601
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-3305
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Adaptive Security Appliance (ASA)
Cisco Firewall Threat Defense (FTD)
Software vendor:
Cisco Systems, Inc

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources in the implementation of the Border Gateway Protocol (BGP) module. A remote attacker can send a specially crafted BGP packet, trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links