Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2020-3196

A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) handler of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to exhaust memory resources on the affected device, leading to a denial of service (DoS) condition. The vulnerability is due to improper resource management for inbound SSL/TLS connections. An attacker could exploit this vulnerability by establishing multiple SSL/TLS connections with specific conditions to the affected device. A successful exploit could allow the attacker to exhaust the memory on the affected device, causing the device to stop accepting new SSL/TLS connections and resulting in a DoS condition for services on the device that process SSL/TLS traffic. Manual intervention is required to recover an affected device.

  • Published: May 6, 2020
  • Updated: Apr 14, 2023
  • CVE: CVE-2020-3196
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.6
  • AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
cisco / firepower_threat_defense 6.5.0 6.5.0.5
cisco / firepower_threat_defense 6.4.0 6.4.0.9
cisco / firepower_threat_defense 6.3.0 6.3.0.6
cisco / firepower_threat_defense 6.2.3 6.2.3.16
cisco / asa_5505_firmware 9.4(4) 9.4(4).x
cisco / asa_5505_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5505_firmware 100.13(0) 100.13(0).x
cisco / asa_5510_firmware 9.4(4) 9.4(4).x
cisco / asa_5510_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5510_firmware 100.13(0) 100.13(0).x
cisco / asa_5512-x_firmware 9.4(4) 9.4(4).x
cisco / asa_5512-x_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5512-x_firmware 100.13(0) 100.13(0).x
cisco / asa_5515-x_firmware 9.4(4) 9.4(4).x
cisco / asa_5515-x_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5515-x_firmware 100.13(0) 100.13(0).x
cisco / asa_5520_firmware 9.4(4) 9.4(4).x
cisco / asa_5520_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5520_firmware 100.13(0) 100.13(0).x
cisco / asa_5525-x_firmware 9.4(4) 9.4(4).x
cisco / asa_5525-x_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5525-x_firmware 100.13(0) 100.13(0).x
cisco / asa_5540_firmware 9.4(4) 9.4(4).x
cisco / asa_5540_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5540_firmware 100.13(0) 100.13(0).x
cisco / asa_5545-x_firmware 9.4(4) 9.4(4).x
cisco / asa_5545-x_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5545-x_firmware 100.13(0) 100.13(0).x
cisco / asa_5550_firmware 9.4(4) 9.4(4).x
cisco / asa_5550_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5550_firmware 100.13(0) 100.13(0).x
cisco / asa_5555-x_firmware 9.4(4) 9.4(4).x
cisco / asa_5555-x_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5555-x_firmware 100.13(0) 100.13(0).x
cisco / asa_5580_firmware 9.4(4) 9.4(4).x
cisco / asa_5580_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5580_firmware 100.13(0) 100.13(0).x
cisco / asa_5585-x_firmware 9.4(4) 9.4(4).x
cisco / asa_5585-x_firmware 9.8(4.18) 9.8(4.18).x
cisco / asa_5585-x_firmware 100.13(0) 100.13(0).x
cisco / adaptive_security_appliance_software 9.8 9.8.4.20
cisco / adaptive_security_appliance_software 9.9 9.9.2.66
cisco / adaptive_security_appliance_software 9.13 9.13.1.7
cisco / adaptive_security_appliance_software 9.10 9.10.1.37
cisco / adaptive_security_appliance_software 9.12 9.12.3.2
cisco / adaptive_security_appliance_software 9.6 9.6.4.40