6.5

CVE-2026-20023

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cisco ≫ Secure Firewall Threat Defense Version 6.4.0.10
Cisco ≫ Secure Firewall Threat Defense Version 6.4.0.11
Cisco ≫ Secure Firewall Threat Defense Version 6.4.0.12
Cisco ≫ Secure Firewall Threat Defense Version 6.4.0.13
Cisco ≫ Secure Firewall Threat Defense Version 6.4.0.14
Cisco ≫ Secure Firewall Threat Defense Version 6.4.0.15
Cisco ≫ Secure Firewall Threat Defense Version 6.4.0.16
Cisco ≫ Secure Firewall Threat Defense Version 6.4.0.17
Cisco ≫ Secure Firewall Threat Defense Version 6.4.0.18
Cisco ≫ Secure Firewall Threat Defense Version 7.2.10.2
Cisco ≫ Secure Firewall Threat Defense Version 7.7.10.1
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.047
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.5 2.8 3.6
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Cisco PSIRT 6.1 1.6 4
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW
Vendor Advisory