CVE-2021-34704Cisco · Secure_firewall_threat_defense
Vulnerability data via NVD (ingested)
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.
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
vuln:CVE-2021-34704product:"Cisco Secure Firewall Threat Defense"http.html:"Secure Firewall Threat Defense"More intel sources (5)
vuln:CVE-2021-34704vulnerabilities.cve_id: CVE-2021-34704CVE-2021-34704CVE-2021-34704"CVE-2021-34704" exploit -site:nvd.nist.gov