Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2020-3283

A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) handler of Cisco Firepower Threat Defense (FTD) Software when running on the Cisco Firepower 1000 Series platform could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to a communication error between internal functions. An attacker could exploit this vulnerability by sending a crafted SSL/TLS message to an affected device. A successful exploit could allow the attacker to cause a buffer underrun, which leads to a crash. The crash causes the affected device to reload.

  • Published: May 6, 2020
  • Updated: Apr 14, 2023
  • CVE: CVE-2020-3283
  • 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 6.4.0 6.4.0.9
cisco / asa_5505_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5505_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5510_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5510_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5512-x_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5512-x_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5515-x_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5515-x_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5520_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5520_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5525-x_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5525-x_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5540_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5540_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5545-x_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5545-x_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5550_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5550_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5555-x_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5555-x_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5580_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5580_firmware 9.13(0.33) 9.13(0.33).x
cisco / asa_5585-x_firmware 9.12(2.12) 9.12(2.12).x
cisco / asa_5585-x_firmware 9.13(0.33) 9.13(0.33).x