CVE-2023-20071

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a flaw in the FTP module of the Snort detection engine. An attacker coul...

CVE-2023-20031

Removed by vendor...

CVE-2023-20031

The CVE-2023-20031 issue affects Cisco Firepower Threat Defense (FTD) with Snort 3, where a logic error in SSL/TLS certificate handling during SSL handshake under load can be exploited by a high rate of connection requests to cause the Snort 3 engine to reload. Consequences documented include pot...

CVE-2023-20031

A vulnerability in the SSL/TLS certificate handling of Snort 3 Detection Engine integration with Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to restart. This vulnerability is due to a logic error that occurs whe...

CVE-2023-20177

Cisco Firepower Threat Defense (FTD) Software contains a vulnerability in the SSL file policy handling when an SSL/TLS connection uses a URL Category and the Snort 3 detection engine is involved. The issue is a logic error observed as the Snort 3 engine inspects such connections, potentially caus...

CVE-2023-20177

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 and the Snort 3 detection engine could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to...

Cisco Firepower Threat Defense Software Snort 3 Detection Engine Denial of Service Vulnerability

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 engine to unexpectedly restart. This vulnerability is due to a logic error in how memory allocations are handled during a...

Multiple Cisco Products Snort FTP Inspection Bypass Vulnerability

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a flaw in the FTP module of the Snort detection engine. An attacker coul...

Cisco Firepower Threat Defense Software SMB Protocol Snort 3 Detection Engine Bypass and Denial of Service Vulnerability

A vulnerability in the interaction between the Server Message Block SMB protocol preprocessor and the Snort 3 detection engine for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS conditi...

Cisco Firepower Threat Defense Software SSL/TLS URL Category and Snort 3 Detection Engine Bypass and Denial of Service Vulnerability

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 and the Snort 3 detection engine could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to...

Cisco Firepower Threat Defense Software and Cisco FirePOWER Services ICMPv6 with Snort 2 Denial of Service Vulnerability

A vulnerability in ICMPv6 inspection when configured with the Snort 2 detection engine for Cisco Firepower Threat Defense FTD Software or Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause the CPU of an affected device to spike to 100 percent, which could stop all...

Cisco Firepower Threat Defense Software Snort 3 Geolocation IP Filter Bypass Vulnerability

A vulnerability in the IP geolocation rules of Snort 3 could allow an unauthenticated, remote attacker to potentially bypass IP address restrictions. This vulnerability exists because the configuration for IP geolocation rules is not parsed properly. An attacker could exploit this vulnerability b...

Multiple Cisco Products Snort 3 Access Control Policy Bypass Vulnerability

Multiple Cisco products are affected by a vulnerability in Snort access control policies that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a logic error that occurs when the access control policies are being...

Cisco Firepower Threat Defense Software SSL and Snort 3 Detection Engine Bypass and Denial of Service Vulnerability

A vulnerability in the SSL/TLS certificate handling of Snort 3 Detection Engine integration with Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to restart. This vulnerability is due to a logic error that occurs whe...

PT-2023-7574 · Cisco · Cisco Ftd

Name of the Vulnerable Software and Affected Versions: Cisco Firepower Threat Defense FTD Software affected versions not specified Description: The issue is due to improper error-checking when the Snort 3 detection engine is processing SMB traffic, allowing an unauthenticated, remote attacker to...

PT-2023-8663 · Cisco · Snort

Name of the Vulnerable Software and Affected Versions: Multiple Cisco products affected versions not specified Description: The issue is related to a logic error in Snort access control policies that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected...

PT-2023-8662 · Cisco · Snort 2 Detection Engine +1

Name of the Vulnerable Software and Affected Versions: Cisco Firepower Threat Defense FTD Software affected versions not specified Description: The issue is related to improper error checking when parsing fields within the ICMPv6 header, which could allow an unauthenticated, remote attacker to...

Cisco Catalyst and Integrated Services Virtual Router Security Vulnerability

Cisco Catalyst is a family of switches from the American company Cisco. A security vulnerability exists in several Cisco products, which stems from a vulnerability in the Snort access control policy that could allow bypassing the policy configured on the affected system. The following products ar...

Cisco Firepower Threat Defense Security Vulnerability

Cisco Firepower Threat Defense FTD is a suite of unified software from Cisco that provides next-generation firewall services. A security vulnerability exists in Cisco Firepower Threat Defense that originates from a logic error when accessing a loading SSL/TLS certificate while initiating an SSL...

Cisco Firepower Threat Defense Security Vulnerability

Cisco Firepower Threat Defense FTD is a suite of unified software from Cisco that provides next-generation firewall services. A security vulnerability exists in Cisco FirePOWER Services, Firepower Threat Defense, and IOS XE, which stems from a flaw in the FTP module of the Snort detection engine,...