Resource exhaustion in Cisco Firewall Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA) - CVE-2020-3195

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Main Vulnerability Database Vulnerabilities #VU27598

Resource exhaustion in Cisco Firewall Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA) - CVE-2020-3195

Published: May 7, 2020


Vulnerability identifier: #VU27598
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3195
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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 Open Shortest Path First (OSPF) implementation. A remote attacker can send specially crafted OSPF packets, trigger resource exhaustion and perform a denial of service (DoS) attack.


Affected software

Cisco Firewall Threat Defense (FTD)
Cisco Adaptive Security Appliance (ASA)

How to mitigate CVE-2020-3195

Vendor recommends to update the Cisco FTD Software Release to version 6.4.0.9 (May 2020) and 6.5.0.5 (future release).

Cisco Adaptive Security Appliance (ASA) - addressed in versions 9.12.3.2, 9.13.1.7

External References

Related Security Bulletins