AS
Product
Adaptive Security Appliance Software
by Cisco · last CVE Aug 11, 2026
On CISA KEVExploited in the wildRansomware-linked
354
CVEs
14
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 8High 106Medium 87Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2020-3580
RansomwareIn wildKEV
6.1
86%
Oct 21
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Interface Cross-Site Scripting Vulnerabilities
Affected: before 9.8.4.34; 9.9 before 9.9.2.85; 9.10 before 9.12.4.13; 9.13 before 9.13.1.21; 9.14 before 9.14.2.8; 9.15 before 9.15.1.15
CVE-2014-2120
In wildKEV
6.1
23%
Mar 19
Cisco Adaptive Security Appliance (ASA) Cross-Site Scripting (XSS) Vulnerability
Affected: 0
CVE-2024-20359
In wildKEV
6.0
19%
Apr 24
Cisco ASA and FTD Privilege Escalation Vulnerability
Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +34 more
CVE-2024-20481
In wildKEV
5.8
16%
Oct 23
Cisco ASA and FTD Denial-of-Service Vulnerability
Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +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: 9.12.1 before 9.16.4.85; 9.17.1 before 9.18.4.66; 9.19.1 before 9.20.4; 9.22.1.1 before 9.22.2.4; 9.23.1 before 9.23.1.7
CVE-2022-20826
6.8
0%
Nov 15
A vulnerability in the secure boot implementation of Cisco Secure Firewalls 3100 Series that are running Cisco Adaptive Security Appliance (ASA) Software or Cisco Firepower Threat…
Affected: 9.17.1; 9.17.1.9; 9.17.1.10; 9.17.1.13; 9.18.1; 9.18.1.3
CVE-2018-15399
6.8
2%
Oct 5
A vulnerability in the TCP syslog module of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated,…
Affected: 9.4(4); 9.8(2)
CVE-2018-15397
6.8
1%
Oct 5
A vulnerability in the implementation of Traffic Flow Confidentiality (TFC) over IPsec functionality in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
Affected: 9.6.4; 9.8.2; 9.9.1; 9.9.1(1)
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: 9.12.1 before 9.16.4.85; 9.17.1 before 9.18.4.66; 9.19.1 before 9.20.4; 9.22.1.1 before 9.22.2.4; 9.23.1 before 9.23.1.7
CVE-2024-20485
6.7
0%
Oct 23
A vulnerability in the VPN web server of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local…
Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +34 more
CVE-2024-20358
6.7
1%
Apr 24
A vulnerability in the Cisco Adaptive Security Appliance (ASA) restore functionality that is available in Cisco ASA Software and Cisco Firepower Threat Defense (FTD) Software…
Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +34 more
CVE-2021-1488
6.7
0%
Apr 29
A vulnerability in the upgrade process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local…
Affected: 9.13 before 9.13.1.21; 9.14 before 9.14.2.13; 9.15 before 9.15.1.10
CVE-2021-1476
6.7
0%
Apr 29
A vulnerability in the CLI of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to…
Affected: 9.13 before 9.13.1.21; 9.14 before 9.14.2.13; 9.15 before 9.15.1.10
CVE-2020-3458
6.7
0%
Oct 21
Multiple vulnerabilities in the secure boot process of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software for the Firepower 1000 Series…
Affected: 9.8.0 before 9.8.4.26; 9.9.0 before 9.9.2.80; 9.10.0 before 9.10.1.43; 9.12.0 before 9.12.4.3; 9.13.0 before 9.13.1.13; 9.14.0 before 9.14.1.15
CVE-2020-3457
6.7
0%
Oct 21
A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges
Affected: 9.8 before 9.8.4.29; 9.9 before 9.9.2.80; 9.10 before 9.10.1.40; 9.12 before 9.12.4.3; 9.13 before 9.13.1.13
CVE-2020-3166
6.7
0%
Feb 26
A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS)
Affected: 9.8 before 9.9.2.66; 9.10 before 9.13.1.5
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: 9.12.1; 9.12.1.2; 9.12.1.3; 9.12.2; 9.12.2.1; 9.12.2.4; +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: 9.12.1; 9.12.1.2; 9.12.1.3; 9.12.2; 9.12.2.1; 9.12.2.4; +34 more
CVE-2022-20927
6.5
1%
Nov 15
A vulnerability in the SSL/TLS client of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote…
Affected: 9.13.1; 9.13.1.2; 9.13.1.7; 9.13.1.10; 9.13.1.12; 9.13.1.13; +28 more
CVE-2022-20924
6.5
1%
Nov 15
A vulnerability in the Simple Network Management Protocol (SNMP) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
Affected: 9.14.1; 9.14.1.6; 9.14.1.10; 9.14.1.15; 9.14.1.19; 9.14.1.30; +34 more
CVE-2021-40125
6.5
1%
Oct 27
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) implementation of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
Affected: 9.8.0 before 9.8.4.40; 9.9.0 before 9.12.4.30; 9.14.0 before 9.14.3.9; 9.15.0 before 9.15.1.17; 9.16.0 before 9.16.2
CVE-2020-3578
6.5
1%
Oct 21
A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated,…
Affected: before 9.6.4.45; 9.7 before 9.8.4.26; 9.9 before 9.9.2.80; 9.10 before 9.10.1.44; 9.12 before 9.12.4.4; 9.13 before 9.13.1.13; +1 more
CVE-2019-12677
6.5
2%
Oct 2
A vulnerability in the Secure Sockets Layer (SSL) VPN feature of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to cause a denial…
Affected: 9.3 before 9.3.3.9
CVE-2019-1695
6.5
1%
May 3
A vulnerability in the detection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated,…
Affected: before 9.8.4
CVE-2019-1693
6.5
2%
May 3
A vulnerability in the WebVPN service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote…
Affected: before 9.4.4.34
CVE-2018-0229
6.5
3%
Apr 19
A vulnerability in the implementation of Security Assertion Markup Language (SAML) Single Sign-On (SSO) authentication for Cisco AnyConnect Secure Mobility Client for Desktop…
Affected: 9.8(1.245)
CVE-2016-6424
6.5
1%
Oct 6
The DHCP Relay implementation in Cisco Adaptive Security Appliance (ASA) Software 8.4.7.29 and 9.1.7.4 allows remote attackers to cause a denial of service (interface wedge) via a…
Affected: 8.4.7.29; 9.1(7)4
CVE-2016-1379
6.5
1%
May 28
Cisco Adaptive Security Appliance (ASA) Software 9.0 through 9.5.1 mishandles IPsec error processing, which allows remote authenticated users to cause a denial of service (memory…
Affected: 9.0.1; 9.0.2; 9.0.2.10; 9.0.3; 9.0.3.6; 9.0.3.8; +34 more
CVE-2016-1385
6.5
1%
May 26
The XML parser in Cisco Adaptive Security Appliance (ASA) Software through 9.5.2 allows remote authenticated users to cause a denial of service (instability, memory consumption,…
Affected: 8.4.0; 8.4.1; 8.4.1.3; 8.4.1.11; 8.4.2; 8.4.2.1; +34 more
CVE-2026-20102
6.1
0%
Mar 4
A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an…
Affected: 9.16.1 before 9.16.4.89; 9.17.1 before 9.18.4.71; 9.20.1 before 9.20.4.19; 9.22.1.1 before 9.22.2.32; 9.23.1 before 9.23.1.26
CVE-2026-20070
6.1
0%
Mar 4
A vulnerability in the VPN web services component of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could…
Affected: 9.12.1; 9.12.1.2; 9.12.1.3; 9.12.2; 9.12.2.1; 9.12.2.4; +34 more
CVE-2024-20382
6.1
0%
Oct 23
A vulnerability in the VPN web client services feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +34 more
CVE-2024-20341
6.1
0%
Oct 23
A vulnerability in the VPN web client services feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +34 more
CVE-2023-20264
6.1
0%
Nov 1
A vulnerability in the implementation of Security Assertion Markup Language (SAML) 2.0 single sign-on (SSO) for remote access VPN in Cisco Adaptive Security Appliance (ASA)…
Affected: 9.18.1 through 9.18.3.46; 9.19.1.5 through 9.19.1.12
CVE-2022-20713
6.1
2%
Aug 10
A vulnerability in the VPN web client services component of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +34 more
CVE-2020-3599
6.1
1%
Oct 21
A vulnerability in the web-based management interface of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to conduct a cross-site…
Affected: 9.7.0 before 9.8.4.29; 9.9.0 before 9.9.2.80; 9.10.0 before 9.10.1.43; 9.12.0 before 9.12.4.4; 9.13.0 before 9.13.1.13; 9.14.0 before 9.14.1.29
CVE-2020-3583
6.1
1%
Oct 21
Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: 9.7 before 9.8.4.29; 9.9 before 9.9.2.80; 9.10 before 9.10.1.44; 9.12 before 9.12.4.4; 9.13 before 9.13.1.13; 9.14 before 9.14.1.30
CVE-2020-3582
6.1
1%
Oct 21
Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: before 9.8.4.26; 9.9 before 9.9.2.80; 9.10 before 9.10.1.44; 9.12 before 9.12.4.4; 9.13 before 9.13.1.13; 9.14 before 9.14.1.30
CVE-2020-3581
6.1
1%
Oct 21
Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: before 9.8.4.29; 9.9 before 9.9.2.80; 9.10 before 9.10.1.44; 9.12 before 9.12.4.4; 9.13 before 9.13.1.13; 9.14 before 9.14.1.30
CVE-2019-12695
6.1
1%
Oct 2
A vulnerability in the Clientless SSL VPN (WebVPN) portal of Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) Software could allow an…
Affected: 9.7 before 9.8.4.9; 9.9 before 9.9.2.56; 9.10 before 9.10.1.30; 9.12 before 9.12.2.9; 9.13 before 9.13.1
CVE-2018-0251
6.1
2%
Apr 19
A vulnerability in the Web Server Authentication Required screen of the Clientless Secure Sockets Layer (SSL) VPN portal of Cisco Adaptive Security Appliance (ASA) Software could…
Affected: 9.8(2.15); 9.9(1)
CVE-2018-0242
6.1
2%
Apr 19
A vulnerability in the WebVPN web-based management interface of Cisco Adaptive Security Appliance could allow an unauthenticated, remote attacker to conduct a cross-site scripting…
Affected: 9.1(7.245); 9.6(3); 9.8(1); 9.8(2)
CVE-2017-6765
6.1
2%
Aug 7
A vulnerability in the web-based management interface of Cisco Adaptive Security Appliance (ASA) 9.1(6.11) and 9.4(1.2) could allow an unauthenticated, remote attacker to conduct…
Affected: 9.1(6.11); 9.4(1.2)
CVE-2026-20008
6.0
0%
Mar 4
A vulnerability in a small subset of CLI commands that are used on Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD)…
Affected: 9.12.1 before 9.16.4.85; 9.17.1 before 9.18.4.66; 9.19.1 before 9.20.4; 9.22.1.1 before 9.22.2.4; 9.23.1 before 9.23.1.7
CVE-2024-20331
5.9
1%
Oct 23
A vulnerability in the session authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +34 more
CVE-2023-20081
5.9
1%
Mar 23
A vulnerability in the IPv6 DHCP (DHCPv6) client module of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and…
Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +34 more
CVE-2019-1705
5.9
2%
May 3
A vulnerability in the remote access VPN session manager of Cisco Adaptive Security Appliance (ASA) Software could allow a unauthenticated, remote attacker to cause a denial of…
Affected: 9.4 before 9.4.4.34; 9.5 before 9.6.4.25; 9.7 before 9.8.4; 9.9 before 9.9.2.50; 9.10 before 9.10.1.17
CVE-2016-6461
5.9
2%
Nov 19
A vulnerability in the HTTP web-based management interface of the Cisco Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to inject arbitrary XML…
Affected: 9.1(7)4; 9.1(7)7; 9.1(7)9; 9.1(7)11; 9.1(7)12; 9.1.6.10; +34 more
CVE-2026-20073
5.8
0%
Mar 4
A vulnerability in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote…
Affected: 9.12.1; 9.12.1.2; 9.12.1.3; 9.12.2; 9.12.2.1; 9.12.2.4; +34 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: 9.18.1 before 9.18.4.71; 9.19.1 before 9.20.4.10; 9.22.1.1 before 9.22.2.13; 9.23.1 before 9.23.1.19
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