CVE-2021-1573

Description

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.

CVSS Version 3.1

nvd

CVE ID: CVE-2021-1573
Base Score: 7.5
Base Severity: HIGH
Vector String:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9

cisco

CVE ID: CVE-2021-1573
Base Score: 8.6
Base Severity: HIGH
Vector String:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4.0
Exploitability Score: 3.9

CVSS Version 2.0

nvd

CVE ID: CVE-2021-1573
Base Score: 7.1
Base Severity: HIGH
Vector String:AV:N/AC:M/Au:N/C:N/I:N/A:C

Refrence: NVDMITRE