Design/Logic Flaw

A vulnerability in the deterministic random bit generator DRBG, also known as pseudorandom number generator PRNG, in Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software for Cisco ASA 5506-X, ASA 5508-X, and ASA 5516-X Firewalls could allow an...

CVE-2023-20081: Heap-based Buffer Overflow

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 Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an...

CVE-2023-20081

CVE-2023-20081 affects Cisco ASA, FTD, IOS, and IOS XE IPv6 DHCP (DHCPv6) client. Root cause: insufficient validation of DHCPv6 messages in the client module, enabling an unauthenticated remote attacker to trigger a device reload and cause a DoS. Exploitation requires control of the DHCPv6 server...

CVE-2023-20107

Cisco CVE-2023-20107 affects Cisco ASA (5506-X, 5508-X, 5516-X) ASA Software and Cisco FTD Software due to insufficient entropy in the deterministic random bit generator (DRBG/PRNG) used for cryptographic key generation. The root cause is low entropy in DRBG on affected hardware, enabling an unau...

Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability

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 Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an...

Cisco Firepower Threat Defense Software SSL/TLS DoS (cisco-sa-asaftd-sslvpndma-dos-HRrqB9Yx)

A vulnerability in the SSL VPN negotiation process for 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-2022-20947

A vulnerability in dynamic access policies DAP functionality of Cisco Adaptive Security Appliance ASA Software and Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. This...

CVE-2022-20934

A vulnerability in the CLI of Cisco Firepower Threat Defense FTD Software and Cisco FXOS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system as root. This vulnerability is due to improper input validation for specific CLI commands...

CVE-2022-20924

A vulnerability in the Simple Network Management Protocol SNMP feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerabili...

Authorization

A vulnerability in the authentication and authorization flows for VPN connections in Cisco Adaptive Security Appliance ASA Software and Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to establish a connection as a different user. This vulnerability is due to...

Input validation

A vulnerability in the Simple Network Management Protocol SNMP feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerabili...

Design/Logic Flaw

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 attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper memory...

Information disclosure

A vulnerability in the TLS handler of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses...

Design/Logic Flaw

A vulnerability in dynamic access policies DAP functionality of Cisco Adaptive Security Appliance ASA Software and Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. This...

CVE-2022-20949: Undefined Security Weakness

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 configuration commands on an affected system. This vulnerability exists because access to HTTPS endpoints is not properly...

CVE-2022-20946: Heap-based Buffer Overflow

A vulnerability in the generic routing encapsulation GRE tunnel decapsulation feature of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to a memory handling err...

CVE-2022-20940: Observable Discrepancy

A vulnerability in the TLS handler of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses...

CVE-2022-20940

Cisco Firepower Threat Defense (FTD) Software is affected by a Bleichenbacher-related information disclosure in the TLS handler and SSL decryption policy implementation. The root cause is improper countermeasures against Bleichenbacher attacks, allowing an unauthenticated remote attacker to poten...

CVE-2022-20928

A vulnerability in the authentication and authorization flows for VPN connections in Cisco Adaptive Security Appliance ASA Software and Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to establish a connection as a different user. This vulnerability is due to...

CVE-2022-20928

CVE-2022-20928 describes a VPN authorization bypass in Cisco ASA/FTD where a flaw in the VPN authentication flow’s authorization verifications allows an unauthenticated remote attacker (with valid credentials) to establish a VPN session as a different user. The impact is privilege propagation wit...