Cisco Adaptive Security Appliance Software vulnerabilities

CVE-2020-3452 [HIGH] CWE-20 CVE-2020-3452: A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software an 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, remote attacker to conduct directory traversal attacks and read sensitive files on a targeted system. The vulnerability is due to a lack of proper input validation of URLs in H

CVE-2020-3580 [MEDIUM] CWE-79 CVE-2020-3580: Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) So Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the web services interface of an affected device. The vulnerabilities are due to insu

CVE-2020-3259 [HIGH] CWE-200 CVE-2020-3259: A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software an 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, remote attacker to retrieve memory contents on an affected device, which could lead to the disclosure of confidential information. The vulnerability is due to a buffer trackin

CVE-2023-20269 [CRITICAL] CWE-288 CVE-2023-20269: A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance (ASA) Software A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct a brute force attack in an attempt to identify valid username and password combinations or an authenticated, remote attacker to establish a

CVE-2024-20353 [HIGH] CWE-835 CVE-2024-20353: A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) So A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to incomplete error checking

CVE-2024-20359 [MEDIUM] CWE-94 CVE-2024-20359: A vulnerability in a legacy capability that allowed for the preloading of VPN clients and plug-ins a A vulnerability in a legacy capability that allowed for the preloading of VPN clients and plug-ins and that has been available in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary code with root-level privileges. Administrator-level priv

CVE-2024-20481 [MEDIUM] CWE-772 CVE-2024-20481: A vulnerability in the Remote Access VPN (RAVPN) service of Cisco Adaptive Security Appliance (ASA) A vulnerability in the Remote Access VPN (RAVPN) service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) of the RAVPN service. This vulnerability is due to resource exhaustion. An attacker could exploit this vulnera

CVE-2020-3187 [CRITICAL] CWE-22 CVE-2020-3187: A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software an 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, remote attacker to conduct directory traversal attacks and obtain read and delete access to sensitive files on a targeted system. The vulnerability is due to a lack of prop

CVE-2025-20363 [CRITICAL] CWE-122 CVE-2025-20363: A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Softw A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, remote attacker (Cisco ASA and FTD Software) or authenticated, remote attacker (Cisco IOS,

CVE-2020-3529 [HIGH] CWE-400 CVE-2020-3529: A vulnerability in the SSL VPN negotiation process for Cisco Adaptive Security Appliance (ASA) Softw A vulnerability in the SSL VPN negotiation process for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to inefficient direct memory access (

CVE-2018-15454 [HIGH] CWE-20 CVE-2018-15454: A vulnerability in the Session Initiation Protocol (SIP) inspection engine of Cisco Adaptive Securit A vulnerability in the Session Initiation Protocol (SIP) inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload or trigger high CPU, resulting in a denial of service (DoS) condition. The vulnerability is

CVE-2022-20759 [HIGH] CWE-266 CVE-2022-20759: A vulnerability in the web services interface for remote access VPN features of Cisco Adaptive Secur A vulnerability in the web services interface for remote access VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, but unprivileged, remote attacker to elevate privileges to level 15. This vulnerability is due to improper separation of authentication and auth

CVE-2024-20329 [CRITICAL] CWE-146 CVE-2024-20329: A vulnerability in the SSH subsystem of Cisco Adaptive Security Appliance (ASA) Software could allow A vulnerability in the SSH subsystem of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to execute operating system commands as root. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by submitting crafted input when executing remote CLI

CVE-2020-3125 [CRITICAL] CWE-287 CVE-2020-3125: A vulnerability in the Kerberos authentication feature of Cisco Adaptive Security Appliance (ASA) So A vulnerability in the Kerberos authentication feature of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to impersonate the Kerberos key distribution center (KDC) and bypass authentication on an affected device that is configured to perform Kerberos authentication for VPN or local device access. The

CVE-2021-1585 [HIGH] CWE-94 CVE-2021-1585: A vulnerability in the Cisco Adaptive Security Device Manager (ASDM) Launcher could allow an unauthe A vulnerability in the Cisco Adaptive Security Device Manager (ASDM) Launcher could allow an unauthenticated, remote attacker to execute arbitrary code on a user's operating system. This vulnerability is due to a lack of proper signature verification for specific code exchanged between the ASDM and the Launcher. An attacker could exploit this vulnerabili

CVE-2018-0472 [HIGH] CWE-20 CVE-2018-0472: A vulnerability in the IPsec driver code of multiple Cisco IOS XE Software platforms and the Cisco A A vulnerability in the IPsec driver code of multiple Cisco IOS XE Software platforms and the Cisco ASA 5500-X Series Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to improper processing of malformed IPsec Authentication Header (AH) or Encapsulating Security Payloa

CVE-2022-20866 [HIGH] CWE-203 CVE-2022-20866: A vulnerability in the handling of RSA keys on devices running Cisco Adaptive Security Appliance (AS A vulnerability in the handling of RSA keys on devices running Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to retrieve an RSA private key. This vulnerability is due to a logic error when the RSA key is stored in memory on a hardware platform that per

CVE-2019-1934 [HIGH] CWE-285 CVE-2019-1934: A vulnerability in the web-based management interface of Cisco Adaptive Security Appliance (ASA) Sof A vulnerability in the web-based management interface of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to elevate privileges and execute administrative functions on an affected device. The vulnerability is due to insufficient authorization validation. An attacker could exploit this vulnerability by loggin

CVE-2025-20133 [HIGH] CWE-401 CVE-2025-20133: A vulnerability in the management and VPN web servers of the Remote Access SSL VPN feature of Cisco A vulnerability in the management and VPN web servers of the Remote Access SSL VPN feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to unexpectedly stop responding, resulting in a DoS condition. This vulnerability is due to ineffective validation of user-supplied

CVE-2025-20243 [HIGH] CWE-835 CVE-2025-20243: A vulnerability in the management and VPN web servers of Cisco Secure Firewall ASA Software and Secu A vulnerability in the management and VPN web servers of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition. This vulnerability is due to improper validation of user-supplied input on an interface with VPN web services. An