CS
Product
Cisco Secure Firewall Threat Defense (FTD) Software
by Cisco · last CVE Oct 21, 2026
On CISA KEVExploited in the wild
74
CVEs
3
On KEV
9.9
Max CVSS
12
New 30D
Severity mix
Critical 6High 24Medium 44Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-20248
6.8
0%
Sep 16
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more
CVE-2026-20025
6.8
0%
Mar 4
A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected…
Affected: 6.4.0; 6.4.0.1; 6.4.0.3; 6.4.0.2; 6.4.0.4; 6.4.0.5; +34 more
CVE-2026-20050
6.8
0%
Mar 4
Cisco Secure Firewall Threat Defense Decryption Policy Denial of Service Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.1.0; 7.0.1.1; 7.1.0.1; +34 more
CVE-2026-20016
6.7
0%
Mar 4
A vulnerability in the Cisco FXOS Software CLI feature for Cisco Secure Firewall ASA Software and Secure FTD Software could allow an authenticated, local attacker to execute…
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; +34 more
CVE-2026-20064
6.5
0%
Mar 4
A vulnerability in of Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to cause the device to unexpectedly reload, causing a denial…
Affected: 6.4.0; 6.4.0.1; 6.4.0.3; 6.4.0.2; 6.4.0.4; 6.4.0.5; +34 more
CVE-2026-20023
6.5
0%
Mar 4
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…
Affected: 6.4.0; 6.4.0.1; 6.4.0.3; 6.4.0.2; 6.4.0.4; 6.4.0.5; +34 more
CVE-2026-20022
6.5
0%
Mar 4
A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to cause an affected…
Affected: 6.4.0; 6.4.0.1; 6.4.0.3; 6.4.0.2; 6.4.0.4; 6.4.0.5; +34 more
CVE-2026-20102
6.1
0%
Mar 4
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software SAML Reflected Cross-Site Scripting Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.1.0; 7.0.1.1; 7.1.0.1; +2 more
CVE-2026-20070
6.1
0%
Mar 4
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Cross-Site Scripting Vulnerability
Affected: 6.4.0.1; 6.4.0.2; 6.4.0.5; 6.4.0; 6.4.0.3; 6.4.0.4; +34 more
CVE-2026-20063
6.0
0%
Mar 4
Cisco Secure FTD Software Authenticated Command Injection Vulnerability
Affected: 7.6.0; 7.7.0; 7.6.1; 7.6.2; 7.7.10; 7.6.2.1; +1 more
CVE-2026-20017
6.0
0%
Mar 4
Cisco Secure FTD Software Authenticated Command Injection Vulnerability
Affected: 6.4.0.1; 6.4.0.2; 6.4.0.5; 6.4.0; 6.4.0.3; 6.4.0.4; +34 more
CVE-2026-20008
6.0
0%
Mar 4
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Lua Code Injection Vulnerability
Affected: 6.4.0.1; 6.4.0.2; 6.4.0.5; 6.4.0; 6.4.0.3; 6.4.0.4; +34 more
CVE-2026-20018
5.9
0%
Mar 4
Cisco Firepower Management Center Software and Firepower Threat Defense Path Traversal Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.1.0; 7.0.1.1; 7.1.0.1; +34 more
CVE-2026-76489
New
5.8
0%
Oct 21
Multiple Cisco Products Snort 3 Generic File Processing Memory Exhaustion Denial of Service Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more
CVE-2026-20221
New
5.8
1%
Oct 21
Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more
CVE-2026-20197
New
5.8
0%
Oct 21
Multiple Cisco Products Snort 3 Teredo Protocol Denial of Service Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more
CVE-2026-20218
New
5.8
1%
Oct 21
Cisco Secure Firewall Threat Defense Snort 3 Visual Basic for Applications Buffer Overflow Denial of Service Vulnerability
Affected: 7.2.0; 7.2.0.1; 7.2.1; 7.3.0; 7.2.2; 7.2.3; +34 more
CVE-2026-20179
New
5.8
0%
Oct 21
Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more
CVE-2026-20019
New
5.8
1%
Oct 21
Multiple Cisco Products Snort 3 Netflow Denial of Service Vulnerabilities
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more
CVE-2026-20011
New
5.8
1%
Oct 21
Multiple Cisco Products Snort 3 SMTP MIME Denial of Service Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more
CVE-2026-20120
5.8
1%
Sep 16
Cisco FTD ACL bypass vulnerability
Affected: 7.6.0; 7.7.0; 7.6.1; 7.6.2; 7.7.10; 7.7.11; +2 more
CVE-2026-20290
5.8
0%
Sep 16
Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more
CVE-2026-20073
5.8
0%
Mar 4
Cisco Secure Firewall Adaptive Security Appliance Software and Cisco Secure Firewall Threat Defense Software Access Control List Bypass Vulnerability
Affected: 6.4.0.1; 6.4.0.2; 6.4.0.5; 6.4.0; 6.4.0.3; 6.4.0.4; +34 more
CVE-2026-20068
5.8
0%
Mar 4
Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability
Affected: 7.2.4; 7.2.5; 7.2.4.1; 7.4.0; 7.2.5.1; 7.4.1; +22 more
CVE-2026-20067
5.8
0%
Mar 4
Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.1.0; 7.0.1.1; 7.1.0.1; +34 more
CVE-2026-20066
5.8
0%
Mar 4
Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability
Affected: 7.4.0; 7.4.1; 7.4.1.1; 7.6.0; 7.4.2; 7.4.2.1; +10 more
CVE-2026-20065
5.8
0%
Mar 4
Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.1.0; 7.0.1.1; 7.1.0.1; +34 more
CVE-2026-20058
5.8
0%
Mar 4
Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability
Affected: 7.2.0; 7.2.0.1; 7.2.1; 7.3.0; 7.2.2; 7.2.3; +31 more
CVE-2026-20057
5.8
0%
Mar 4
Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability
Affected: 7.2.0; 7.2.0.1; 7.2.1; 7.3.0; 7.2.2; 7.2.3; +31 more
CVE-2026-20054
5.8
0%
Mar 4
Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Infinite Loop Denial of Service Vulnerability
Affected: 7.2.0; 7.2.0.1; 7.2.1; 7.3.0; 7.2.2; 7.2.3; +31 more
CVE-2026-20053
5.8
0%
Mar 4
Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Heap Overflow Denial of Service Vulnerability
Affected: 7.2.0; 7.2.0.1; 7.2.1; 7.3.0; 7.2.2; 7.2.3; +31 more
CVE-2026-20052
5.8
0%
Mar 4
Cisco Secure Firewall Threat Defense Software Snort 3 Memory Management Denial of Service Vulnerability
Affected: 7.4.0; 7.4.1; 7.4.1.1; 7.6.0; 7.4.2; 7.4.2.1
CVE-2026-20007
5.8
0%
Mar 4
Cisco Secure Firewall Threat Defense Software Snort Deep Inspection Bypass Vulnerability
Affected: 6.4.0.1; 6.4.0.2; 6.4.0.5; 6.4.0; 6.4.0.3; 6.4.0.4; +34 more
CVE-2026-20006
5.8
0%
Mar 4
Cisco Firepower Threat Defense Software and Cisco FirePOWER Services TLS with Snort 3 Denial of Service Vulnerability
Affected: 7.2.0; 7.2.0.1; 7.2.1; 7.3.0; 7.2.2; 7.2.3; +27 more
CVE-2026-20015
5.8
0%
Mar 4
A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to cause a DoS condition…
Affected: 7.2.0; 7.2.0.1; 7.2.1; 7.2.2; 7.2.3; 7.2.4; +28 more
CVE-2026-20013
5.8
0%
Mar 4
A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to cause a DoS condition…
Affected: 6.4.0; 6.4.0.1; 6.4.0.3; 6.4.0.2; 6.4.0.4; 6.4.0.5; +34 more
CVE-2026-20005
5.8
1%
Mar 4
Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine…
Affected: 7.6.0; 7.6.1; 7.6.2; 7.6.2.1; 7.7.0; 7.7.10; +1 more
CVE-2026-20024
5.7
0%
Mar 4
A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected…
Affected: 6.4.0; 6.4.0.1; 6.4.0.3; 6.4.0.2; 6.4.0.4; 6.4.0.5; +34 more
CVE-2026-20020
5.7
0%
Mar 4
A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to cause an affected…
Affected: 6.4.0; 6.4.0.1; 6.4.0.3; 6.4.0.2; 6.4.0.4; 6.4.0.5; +34 more
CVE-2026-76445
New
5.3
1%
Oct 21
Multiple Cisco Products Snort 3 Denial of Service Vulnerability
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0; +34 more
CVE-2026-20121
5.3
1%
Sep 16
CIsco FTD Bypass Access List
Affected: 7.6.0; 7.7.0; 7.6.1; 7.6.2; 7.7.10; 7.7.11; +2 more
CVE-2026-20106
5.3
0%
Mar 4
A vulnerability in the Remote Access SSL VPN, HTTP management and MUS functionality, of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat…
Affected: 6.4.0; 6.4.0.1; 6.4.0.3; 6.4.0.2; 6.4.0.4; 6.4.0.5; +34 more
CVE-2026-20021
4.3
0%
Mar 4
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…
Affected: 6.4.0; 6.4.0.1; 6.4.0.3; 6.4.0.2; 6.4.0.4; 6.4.0.5; +34 more
CVE-2026-20069
4.3
0%
Mar 4
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Client-Side Request Smuggling Vulnerability
Affected: 6.4.0.1; 6.4.0.2; 6.4.0.5; 6.4.0; 6.4.0.3; 6.4.0.4; +34 more
Showing 44