CVE-2022-20760

תיאור (מקור, אנגלית)

A vulnerability in the DNS inspection handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to a lack of proper processing of incoming requests. An attacker could exploit this vulnerability by sending crafted DNS requests at a high rate to an affected device. A successful exploit could allow the attacker to cause the device to stop responding, resulting in a DoS condition.

מדדים

CVSS 3.1

7.5 (HIGH) מקור הציון: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — סבירות ניצול

2% (אחוזון 100) נכון ל-19/8/2026

CWE

CWE-400

מוצרים מושפעים

cisco: secure firewall threat defense; cisco: adaptive security appliance software

קישורים

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa‮… Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa‮… Vendor Advisory