CVSS: 5.8EPSS: 0%CPEs: 152EXPL: 0CVE-2023-20256
https://notcve.org/view.php?id=CVE-2023-20256
Multiple vulnerabilities in the per-user-override feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass a configured access control list (ACL) and allow traffic that should be denied to flow through an affected device. These vulnerabilities are due to a logic error that could occur when the affected software constructs and applies per-user-override rules. An attacker could exploit these vulnerabilities by connecting to a network through an affected device that has a vulnerable configuration. A successful exploit could allow the attacker to bypass the interface ACL and access resources that would should be protected. Múltiples vulnerabilidades en la función de anulación por usuario del software Cisco Adaptive Security Appliance (ASA) y el software Cisco Firepower Threat Defense (FTD) podrían permitir que un atacante remoto no autenticado omita una Lista de Control de Acceso (ACL) configurada y permita el tráfico que debería se le negará el flujo a través de un dispositivo afectado. • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ac-acl-bypass-bwd7q6Gb • CWE-290: Authentication Bypass by Spoofing •
CVSS: 8.6EPSS: 0%CPEs: 223EXPL: 0CVE-2023-20086
https://notcve.org/view.php?id=CVE-2023-20086
A vulnerability in ICMPv6 processing 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) condition. This vulnerability is due to improper processing of ICMPv6 messages. An attacker could exploit this vulnerability by sending crafted ICMPv6 messages to a targeted Cisco ASA or FTD system with IPv6 enabled. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Una vulnerabilidad en el procesamiento ICMPv6 del software Cisco Adaptive Security Appliance (ASA) y el software Cisco Firepower Threat Defense (FTD) podría permitir que un atacante remoto no autenticado provoque una condición de Denegación de Servicio (DoS). • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-icmpv6-t5TzqwNd • CWE-248: Uncaught Exception •
CVSS: 9.1EPSS: 4%CPEs: 491EXPL: 0CVE-2023-20269 – Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability
https://notcve.org/view.php?id=CVE-2023-20269
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 clientless SSL VPN session with an unauthorized user. This vulnerability is due to improper separation of authentication, authorization, and accounting (AAA) between the remote access VPN feature and the HTTPS management and site-to-site VPN features. An attacker could exploit this vulnerability by specifying a default connection profile/tunnel group while conducting a brute force attack or while establishing a clientless SSL VPN session using valid credentials. A successful exploit could allow the attacker to achieve one or both of the following: Identify valid credentials that could then be used to establish an unauthorized remote access VPN session. Establish a clientless SSL VPN session (only when running Cisco ASA Software Release 9.16 or earlier). Notes: Establishing a client-based remote access VPN tunnel is not possible as these default connection profiles/tunnel groups do not and cannot have an IP address pool configured. • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ravpn-auth-8LyfCkeC • CWE-288: Authentication Bypass Using an Alternate Path or Channel CWE-863: Incorrect Authorization •
CVSS: 8.6EPSS: 0%CPEs: 10EXPL: 0CVE-2023-20006
https://notcve.org/view.php?id=CVE-2023-20006
A vulnerability in the hardware-based SSL/TLS cryptography functionality of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series Appliances could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to an implementation error within the cryptographic functions for SSL/TLS traffic processing when they are offloaded to the hardware. An attacker could exploit this vulnerability by sending a crafted stream of SSL/TLS traffic to an affected device. A successful exploit could allow the attacker to cause an unexpected error in the hardware-based cryptography engine, which could cause the device to reload. • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ssl-dos-uu7mV5p6 • CWE-681: Incorrect Conversion between Numeric Types •
CVSS: 6.8EPSS: 0%CPEs: 19EXPL: 0CVE-2022-20826
https://notcve.org/view.php?id=CVE-2022-20826
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 Defense (FTD) Software could allow an unauthenticated attacker with physical access to the device to bypass the secure boot functionality. This vulnerability is due to a logic error in the boot process. An attacker could exploit this vulnerability by injecting malicious code into a specific memory location during the boot process of an affected device. A successful exploit could allow the attacker to execute persistent code at boot time and break the chain of trust. Una vulnerabilidad en la implementación de boot seguro de Cisco Secure Firewalls serie 3100 que ejecutan el Software Cisco Adaptive Security Appliance (ASA) o el Software Cisco Firepower Threat Defense (FTD) podría permitir que un atacante no autenticado con acceso físico al dispositivo omita la funcionalidad de boot seguro. Esta vulnerabilidad se debe a un error lógico en el proceso de boot. • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fw3100-secure-boot-5M8mUh26 • CWE-501: Trust Boundary Violation •