CVE-2020-3255High· 7.5▾ TwilightA vulnerability in the packet processing functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.4 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
1.8%
1.8% → 1.8%
A vulnerability in the packet processing functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to inefficient memory management. An attacker could exploit this vulnerability by sending a high rate of IPv4 or IPv6 traffic through an affected device. This traffic would need to match a configured block action in an access control policy. An exploit could allow the attacker to cause a memory exhaustion condition on the affected device, which would result in a DoS for traffic transiting the device, as well as sluggish performance of the management interface. Once the flood is stopped, performance should return to previous states.
secure_firewall_threat_defense >= 6.2.3, < 6.2.3.16secure_firewall_threat_defense >= 6.3.0, < 6.3.0.6secure_firewall_threat_defense >= 6.4.0, < 6.4.0.9asa_5505_firmware = 9.10(1.3)asa_5510_firmware = 9.10(1.3)asa_5512-x_firmware = 9.10(1.3)asa_5515-x_firmware = 9.10(1.3)asa_5520_firmware = 9.10(1.3)asa_5525-x_firmware = 9.10(1.3)asa_5540_firmware = 9.10(1.3)asa_5545-x_firmware = 9.10(1.3)asa_5550_firmware = 9.10(1.3)asa_5555-x_firmware = 9.10(1.3)asa_5580_firmware = 9.10(1.3)asa_5585-x_firmware = 9.10(1.3)Upgrade past the affected range:
secure_firewall_threat_defense 6.4.0.9Connected by shared product, vendor, weakness, or advisory.
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