CVE-2026-20023

תיאור (מקור, אנגלית)

A vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, adjacent attacker to corrupt memory on an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to memory corruption when parsing OSPF protocol packets. An attacker could exploit this vulnerability by sending crafted OSPF packets to an affected device. A successful exploit could allow the attacker to cause memory corruption causing the affected device to reboot, resulting in a DoS condition.

מדדים

CVSS 3.1

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

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-23/9/2026

CWE

CWE-787

מוצרים מושפעים

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

קישורים

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/‮… Vendor Advisory