Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-40118

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper input validation when parsing HTTPS requests. An attacker could exploit this vulnerability by sending a malicious HTTPS request to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

  • Published: Oct 27, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-40118
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: High
  • Score: 7.1
  • AV:N/AC:M/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
cisco / firepower_threat_defense 7.0.0 7.0.1
cisco / firepower_threat_defense 6.7.0 6.7.0.3
cisco / adaptive_security_appliance - 9.8.4.40
cisco / firepower_threat_defense 6.5.0 6.6.5
cisco / firepower_threat_defense - 6.4.0.13
cisco / asa_5512-x_firmware 009.012(004.024) 009.012(004.024).x
cisco / asa_5512-x_firmware 009.015(001) 009.015(001).x
cisco / asa_5512-x_firmware 009.015(001.015) 009.015(001.015).x
cisco / asa_5512-x_firmware 009.015(001.016) 009.015(001.016).x
cisco / asa_5512-x_firmware 009.016(001) 009.016(001).x
cisco / asa_5505_firmware 009.012(004.024) 009.012(004.024).x
cisco / asa_5505_firmware 009.015(001) 009.015(001).x
cisco / asa_5505_firmware 009.015(001.015) 009.015(001.015).x
cisco / asa_5505_firmware 009.015(001.016) 009.015(001.016).x
cisco / asa_5505_firmware 009.016(001) 009.016(001).x
cisco / asa_5515-x_firmware 009.012(004.024) 009.012(004.024).x
cisco / asa_5515-x_firmware 009.015(001) 009.015(001).x
cisco / asa_5515-x_firmware 009.015(001.015) 009.015(001.015).x
cisco / asa_5515-x_firmware 009.015(001.016) 009.015(001.016).x
cisco / asa_5515-x_firmware 009.016(001) 009.016(001).x
cisco / asa_5525-x_firmware 009.012(004.024) 009.012(004.024).x
cisco / asa_5525-x_firmware 009.015(001) 009.015(001).x
cisco / asa_5525-x_firmware 009.015(001.015) 009.015(001.015).x
cisco / asa_5525-x_firmware 009.015(001.016) 009.015(001.016).x
cisco / asa_5525-x_firmware 009.016(001) 009.016(001).x
cisco / asa_5545-x_firmware 009.012(004.024) 009.012(004.024).x
cisco / asa_5545-x_firmware 009.015(001) 009.015(001).x
cisco / asa_5545-x_firmware 009.015(001.015) 009.015(001.015).x
cisco / asa_5545-x_firmware 009.015(001.016) 009.015(001.016).x
cisco / asa_5545-x_firmware 009.016(001) 009.016(001).x
cisco / asa_5555-x_firmware 009.012(004.024) 009.012(004.024).x
cisco / asa_5555-x_firmware 009.015(001) 009.015(001).x
cisco / asa_5555-x_firmware 009.015(001.015) 009.015(001.015).x
cisco / asa_5555-x_firmware 009.015(001.016) 009.015(001.016).x
cisco / asa_5555-x_firmware 009.016(001) 009.016(001).x
cisco / asa_5580_firmware 009.012(004.024) 009.012(004.024).x
cisco / asa_5580_firmware 009.015(001) 009.015(001).x
cisco / asa_5580_firmware 009.015(001.015) 009.015(001.015).x
cisco / asa_5580_firmware 009.015(001.016) 009.015(001.016).x
cisco / asa_5580_firmware 009.016(001) 009.016(001).x
cisco / asa_5585-x_firmware 009.012(004.024) 009.012(004.024).x
cisco / asa_5585-x_firmware 009.015(001) 009.015(001).x
cisco / asa_5585-x_firmware 009.015(001.015) 009.015(001.015).x
cisco / asa_5585-x_firmware 009.015(001.016) 009.015(001.016).x
cisco / asa_5585-x_firmware 009.016(001) 009.016(001).x
cisco / adaptive_security_appliance_software 9.9.0 9.12.4.29
cisco / adaptive_security_appliance_software 9.15.0 9.15.1.17
cisco / adaptive_security_appliance_software 9.16.0 9.16.2.3
cisco / adaptive_security_appliance_software 9.13.0 9.14.3.9