CVE-2020-3186 Cisco Firepower Threat Defense Software Management Access List Bypass Vulnerability
Unauthenticated remote attackers can bypass management access list policies on Cisco FTD systems due to conflicting configuration rules.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3186?
CVE-2020-3186 is a medium-severity vulnerability in Cisco Secure Firewall Threat Defense, published on 6 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the management access list configuration of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass a configured management interface access list on an affected system. The vulnerability is due to the configuration of different management access lists, with ports allowed in one access list and denied in another. An attacker could exploit this vulnerability by sending crafted remote management traffic to the local IP address of an affected system. A successful exploit could allow the attacker to bypass the configured management access list policies, and traffic to the management interface would not be properly denied.
Weakness: CWE-284
Which versions are affected by CVE-2020-3186?
It affects 13 products.
Products include Cisco Asa 5505 Firmware, Cisco Asa 5510 Firmware, Cisco Asa 5512-X Firmware, Cisco Asa 5515-X Firmware, Cisco Asa 5520 Firmware, Cisco Asa 5525-X Firmware and 7 more.
How do I fix CVE-2020-3186?
No fix has been published for CVE-2020-3186 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-3186 being exploited?
There is no known exploitation of CVE-2020-3186 in the wild and no public exploit code.
Other vulnerabilities in Cisco Secure Firewall Threat Defense
- CVE-2020-3179 Cisco Firepower Threat Defense Software Generic Routing Encapsulation Tunnel IPv6 Denial of Service Vulnerability
- CVE-2020-3189 Cisco Firepower Threat Defense Software VPN System Logging Denial of Service Vulnerability
- CVE-2020-3283 Cisco Firepower 1000 Series SSL/TLS Denial of Service Vulnerability
- CVE-2020-3255 Cisco Firepower Threat Defense Software Packet Flood Denial of Service Vulnerability
- CVE-2020-3188 Cisco Firepower Threat Defense Software Management Interface Denial of Service Vulnerability
Sources
Also known as GHSA-h2j6-v888-8gxm.