SF
Product
Secure Firewall Threat Defense
by Cisco · last CVE Aug 11, 2026
On CISA KEVExploited in the wildRansomware-linked
274
CVEs
11
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 5High 138Medium 130Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2020-3564
5.3
1%
Oct 21
A vulnerability in the FTP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated,…
Affected: before 6.3.0.6; 6.4.0 before 6.4.0.10; 6.5.0 before 6.5.0.5; 6.6.0 before 6.6.1
CVE-2020-3315
5.3
2%
May 6
Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured file policies…
Affected: before 6.6.0
CVE-2020-3188
5.3
2%
May 6
A vulnerability in how Cisco Firepower Threat Defense (FTD) Software handles session timeouts for management connections could allow an unauthenticated, remote attacker to cause a…
Affected: 6.4.0 before 6.4.0.9; 6.5.0 before 6.5.0.5
CVE-2020-3186
5.3
1%
May 6
A vulnerability in the management access list configuration of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass a configured…
Affected: 6.3.0 before 6.3.0.6; 6.4.0 before 6.4.0.7; 6.5.0 before 6.5.0.2
CVE-2019-1982
5.3
1%
Nov 5
A vulnerability in the HTTP traffic filtering component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management…
Affected: All versions, or not specified
CVE-2019-1980
5.3
1%
Nov 5
A vulnerability in the protocol detection component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center…
Affected: All versions, or not specified
CVE-2018-0254
5.3
1%
Apr 19
A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass configured file action policies if an…
Affected: 6.1.0.5; 6.2.0.2; 6.2.1; 6.2.2
CVE-2018-0138
5.3
1%
Feb 8
A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass file policies that are configured to block…
Affected: 6.1.0; 6.2.0; 6.2.2; 6.2.3
CVE-2017-3822
5.3
1%
Feb 3
A vulnerability in the logging subsystem of the Cisco Firepower Threat Defense (FTD) Firepower Device Manager (FDM) could allow an unauthenticated, remote attacker to add…
Affected: 6.1.0
CVE-2017-3806
5.3
0%
Feb 3
A vulnerability in CLI command processing in the Cisco Firepower 4100 Series Next-Generation Firewall and Cisco Firepower 9300 Security Appliance could allow an authenticated,…
Affected: 5.3.0; 5.4.0; 6.0.0; 6.0.1; 6.1.0
CVE-2024-20355
5.0
0%
May 22
A vulnerability in the implementation of SAML 2.0 single sign-on (SSO) for remote access VPN services in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower…
Affected: 6.2.3; 6.2.3.1; 6.2.3.2; 6.2.3.3; 6.2.3.4; 6.2.3.5; +34 more
CVE-2022-20949
4.9
1%
Nov 15
A vulnerability in the management web server of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker with high privileges to execute…
Affected: 6.1.0 through 6.1.0.7; 6.2.0 through 6.2.0.6; 6.2.2 through 6.2.2.5; 6.2.3 through 6.2.3.18; 6.3.0 through 6.3.0.5; 6.4.0 through 6.4.0.15; +10 more
CVE-2020-3308
4.9
1%
May 6
A vulnerability in the Image Signature Verification feature of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker with administrator-level…
Affected: before 6.2.2.1
CVE-2021-34763
4.8
0%
Oct 27
Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an attacker to execute a cross-site scripting (XSS)…
Affected: before 6.4.0.13; 6.5.0 before 6.6.5; 6.7.0 before 6.7.0.3
CVE-2019-1701
4.8
1%
May 3
Multiple vulnerabilities in the WebVPN service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated,…
Affected: 6.2.1 before 6.2.3.12; 6.3.0 before 6.3.0.3
CVE-2020-3561
4.7
1%
Oct 21
A vulnerability in the Clientless SSL VPN (WebVPN) of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: before 6.3.0.6; 6.4.0 before 6.4.0.10; 6.5.0 before 6.5.0.5; 6.6.0 before 6.6.1
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; 6.4.0.2; 6.4.0.3; 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 before 7.0.9; 7.1.0 before 7.2.11; 7.3.0 before 7.4.3; 7.6.0 before 7.6.4; 7.7.0 before 7.7.11
CVE-2023-20275
4.3
0%
Dec 12
A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: 6.2.3; 6.2.3.1; 6.2.3.2; 6.2.3.3; 6.2.3.4; 6.2.3.5; +34 more
CVE-2023-20247
4.3
0%
Nov 1
A vulnerability in the remote access SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: 6.2.3; 6.2.3.1; 6.2.3.2; 6.2.3.3; 6.2.3.4; 6.2.3.5; +34 more
CVE-2023-20070
4.0
1%
Nov 1
A vulnerability in the TLS 1.3 implementation of the Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the Snort 3 detection…
Affected: 7.2.0; 7.2.0.1
CVE-2023-20177
4.0
1%
Nov 1
A vulnerability in the SSL file policy implementation of Cisco Firepower Threat Defense (FTD) Software that occurs when the SSL/TLS connection is configured with a URL Category…
Affected: 7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; +15 more
CVE-2018-15398
4.0
2%
Oct 5
A vulnerability in the per-user-override feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: 6.2.0
CVE-2020-3585
3.7
1%
Oct 21
A vulnerability in the TLS handler of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 1000 Series firewalls…
Affected: before 6.4.0.10
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