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CVE record · 1 source

CVE-2026-20154

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Logging Denial of Service Vulnerability

Vendor: Cisco
Product: ASA, Firepower / FTD
Exposure class: Edge / VPN / firewall

Coverage

2

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

31

Cisco advisory Cisco PSIRT 18 Sep 2026

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Logging Denial of Service Vulnerability

A vulnerability in the system rate-limiting process for syslog message 419002 of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an…

Fix available CVE-2026-20154 Cisco
26

Cisco advisory Cisco PSIRT 16 Sep 2026

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Logging Denial of Service Vulnerability

A vulnerability in the system rate-limiting process for syslog message 419002 of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an…

CVE-2026-20154 Cisco