7.1
CVSSv2

CVE-2021-40118

Published: 27/10/2021 Updated: 07/11/2023
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 632
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Vulnerability Summary

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 malicious user 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 malicious user to cause the device to reload, resulting in a DoS condition.

Vulnerability Trend

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cisco firepower threat defense

cisco adaptive security appliance

cisco adaptive security appliance software

cisco asa_5512-x_firmware 009.012\\(004.024\\)

cisco asa_5512-x_firmware 009.015\\(001\\)

cisco asa_5512-x_firmware 009.015\\(001.015\\)

cisco asa_5512-x_firmware 009.015\\(001.016\\)

cisco asa_5512-x_firmware 009.016\\(001\\)

cisco asa_5505_firmware 009.012\\(004.024\\)

cisco asa_5505_firmware 009.015\\(001\\)

cisco asa_5505_firmware 009.015\\(001.015\\)

cisco asa_5505_firmware 009.015\\(001.016\\)

cisco asa_5505_firmware 009.016\\(001\\)

cisco asa_5515-x_firmware 009.012\\(004.024\\)

cisco asa_5515-x_firmware 009.015\\(001\\)

cisco asa_5515-x_firmware 009.015\\(001.015\\)

cisco asa_5515-x_firmware 009.015\\(001.016\\)

cisco asa_5515-x_firmware 009.016\\(001\\)

cisco asa_5525-x_firmware 009.012\\(004.024\\)

cisco asa_5525-x_firmware 009.015\\(001\\)

cisco asa_5525-x_firmware 009.015\\(001.015\\)

cisco asa_5525-x_firmware 009.015\\(001.016\\)

cisco asa_5525-x_firmware 009.016\\(001\\)

cisco asa_5545-x_firmware 009.012\\(004.024\\)

cisco asa_5545-x_firmware 009.015\\(001\\)

cisco asa_5545-x_firmware 009.015\\(001.015\\)

cisco asa_5545-x_firmware 009.015\\(001.016\\)

cisco asa_5545-x_firmware 009.016\\(001\\)

cisco asa_5555-x_firmware 009.012\\(004.024\\)

cisco asa_5555-x_firmware 009.015\\(001\\)

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cisco asa_5555-x_firmware 009.015\\(001.016\\)

cisco asa_5555-x_firmware 009.016\\(001\\)

cisco asa_5580_firmware 009.012\\(004.024\\)

cisco asa_5580_firmware 009.015\\(001\\)

cisco asa_5580_firmware 009.015\\(001.015\\)

cisco asa_5580_firmware 009.015\\(001.016\\)

cisco asa_5580_firmware 009.016\\(001\\)

cisco asa_5585-x_firmware 009.012\\(004.024\\)

cisco asa_5585-x_firmware 009.015\\(001\\)

cisco asa_5585-x_firmware 009.015\\(001.015\\)

cisco asa_5585-x_firmware 009.015\\(001.016\\)

cisco asa_5585-x_firmware 009.016\\(001\\)

Vendor Advisories

Multiple vulnerabilities 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 These vulnerabilities are due to improper input validation when parsing HTTPS requests An attack ...