CVE-2021-40118

תיאור (מקור, אנגלית)

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.

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

1% (אחוזון 100) נכון ל-22/10/2026

CWE

CWE-121, CWE-787

מוצרים מושפעים

cisco: adaptive security appliance; cisco: secure firewall threat defense; cisco: adaptive security appliance software; cisco: asa 5512-x firmware; cisco: asa 5512-x; cisco: asa 5505 firmware; cisco: asa 5505; cisco: asa 5515-x firmware; cisco: asa 5515-x; cisco: asa 5525-x firmware; cisco: asa 5525-x; cisco: asa 5545-x firmware; cisco: asa 5545-x; cisco: asa 5555-x firmware; cisco: asa 5555-x

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