VARIoT IoT vulnerabilities database

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 service (DoS) condition on the remote access VPN services. The vulnerability is due to an issue with the remote access VPN session manager. An attacker could exploit this vulnerability by requesting an excessive number of remote access VPN sessions. An exploit could allow the attacker to cause a DoS condition. This issue is being tracked by Cisco Bug ID CSCvk13637. Cisco 3000 Series Industrial Security Appliances, etc. are all products of Cisco (Cisco). Cisco 3000 Series Industrial Security Appliances is a 3000 series firewall appliance. Firepower 2100 Series is a 2100 series firewall appliance. ASA Software is one of those firewall and network security platforms. The platform provides features such as highly secure access to data and network resources. The following products are affected: Cisco 3000 Series Industrial Security Appliances; ASA 5500-X Series Firewalls; ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers; Firepower 2100 Series;

A vulnerability in the software cryptography module of the Cisco Adaptive Security Virtual Appliance (ASAv) and Firepower 2100 Series running Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause an unexpected reload of the device that results in a denial of service (DoS) condition. The vulnerability is due to a logic error with how the software cryptography module handles IPsec sessions. An attacker could exploit this vulnerability by creating and sending traffic in a high number of IPsec sessions through the targeted device. A successful exploit could cause the device to reload and result in a DoS condition. This issue is being tracked by Cisco Bug ID CSCvk66732. Firepower 2100 Series is a 2100 series firewall appliance. ASA Software is one of those firewall and network security platforms. The platform provides features such as highly secure access to data and network resources

A vulnerability in the CLI of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting commands into arguments for a specific command. A successful exploit could allow the attacker to execute commands with root privileges. This issue is being tracked by Cisco Bug ID CSCvm14267. The vulnerability stems from the fact that the network system or product does not correctly filter special characters, commands, etc. in the process of constructing executable commands of the operating system from external input data

A vulnerability in the CLI of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting commands into arguments for a specific command. A successful exploit could allow the attacker to execute commands with root privileges. This issue being tracked by Cisco Bug IDs CSCvm14217, CSCvn33026. The vulnerability stems from the fact that the network system or product does not correctly filter special characters, commands, etc. in the process of constructing executable commands of the operating system from external input data

Multiple vulnerabilities in the Server Message Block (SMB) Protocol preprocessor detection engine for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, adjacent or remote attacker to cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory. Cisco Firepower Threat Defense (FTD) The software is vulnerable to resource exhaustion.Service operation interruption (DoS) There is a possibility of being put into a state. Exploiting these issues allow remote attackers to cause a denial-of-service condition. This issue is being tracked by Cisco Bug ID CSCvj83264, CSCvj91418

A vulnerability in the Transport Layer Security (TLS) certificate validation functionality of Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an unauthenticated, remote attacker to perform insecure TLS client authentication on an affected device. The vulnerability is due to insufficient TLS client certificate validations for certificates sent between the various components of an ACI fabric. An attacker who has possession of a certificate that is trusted by the Cisco Manufacturing CA and the corresponding private key could exploit this vulnerability by presenting a valid certificate while attempting to connect to the targeted device. An exploit could allow the attacker to gain full control of all other components within the ACI fabric of an affected device. Cisco Nexus 9000 Series Fabric Switches is prone to an authentication-bypass vulnerability. This may lead to further attacks. This issue is tracked by Cisco Bug ID CSCvn09791. This vulnerability stems from the lack of an effective trust management mechanism in network systems or products. Attackers can use default passwords or hard-coded passwords, hard-coded certificates, etc. to attack affected components

A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load for existing WebVPN login operations. An attacker could exploit this vulnerability by sending multiple WebVPN login requests to the device. A successful exploit could allow the attacker to increase CPU load on the device, resulting in a denial of service (DoS) condition. Multiple Cisco Products are prone to an remote denial-of-service vulnerability. This issue is being tracked by Cisco Bug ID CSCvj33780. This vulnerability stems from improper management of system resources (such as memory, disk space, files, etc.) by network systems or products

A vulnerability in the Trusted Platform Module (TPM) functionality of software for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an unauthenticated, local attacker with physical access to view sensitive information on an affected device. The vulnerability is due to a lack of proper data-protection mechanisms for disk encryption keys that are used within the partitions on an affected device hard drive. An attacker could exploit this vulnerability by obtaining physical access to the affected device to view certain cleartext keys. A successful exploit could allow the attacker to execute a custom boot process or conduct further attacks on an affected device. Cisco Nexus 9000 Series Fabric Switches Software contains an information disclosure vulnerability.Information may be obtained. This issue is being tracked by Cisco Bug ID CSCvn09807. This vulnerability stems from configuration errors in network systems or products during operation

A vulnerability in the FUSE filesystem functionality for Cisco Application Policy Infrastructure Controller (APIC) software could allow an authenticated, local attacker to escalate privileges to root on an affected device. The vulnerability is due to insufficient input validation for certain command strings issued on the CLI of the affected device. An attacker with write permissions for files within a readable folder on the device could alter certain definitions in the affected file. A successful exploit could allow an attacker to cause the underlying FUSE driver to execute said crafted commands, elevating the attacker's privileges to root on an affected device. This issue is being tracked by Cisco Bug ID CSCvn09779. The FUSE file system functionality in Cisco APIC versions prior to 4.1(1i) is vulnerable to permission and access control issues. The vulnerability stems from the lack of effective permissions and access control measures in network systems or products

A vulnerability in Cisco Application Policy Infrastructure Controller (APIC) Software could allow an unauthenticated, local attacker with physical access to obtain sensitive information from an affected device. The vulnerability is due to insecure removal of cleartext encryption keys stored on local partitions in the hard drive of an affected device. An attacker could exploit this vulnerability by retrieving data from the physical disk on the affected partition(s). A successful exploit could allow the attacker to retrieve encryption keys, possibly allowing the attacker to further decrypt other data and sensitive information on the device, which could lead to the disclosure of confidential information. This issue is being tracked by Cisco bug ID CSCvn09800. The vulnerability stems from incorrect use of relevant cryptographic algorithms by network systems or products, resulting in improperly encrypted content, weak encryption, and storing sensitive information in plain text

A vulnerability in Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an authenticated, remote attacker to access sensitive information. The vulnerability occurs because the affected software does not properly validate user-supplied input. An attacker could exploit this vulnerability by issuing certain commands with filtered query results on the device. This action may cause returned messages to display confidential system information. A successful exploit could allow the attacker to read sensitive information on the device. Cisco Nexus 9000 Series Fabric Switch Contains a resource management vulnerability.Information may be obtained. This issue is being tracked by Cisco Bug ID CSCvn09825. This vulnerability stems from improper management of system resources (such as memory, disk space, files, etc.) by network systems or products

A vulnerability in the background operations functionality of Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an authenticated, local attacker to gain elevated privileges as root on an affected device. The vulnerability is due to insufficient validation of user-supplied files on an affected device. An attacker could exploit this vulnerability by logging in to the CLI of the affected device and creating a crafted file in a specific directory on the filesystem. A successful exploit could allow the attacker to execute arbitrary operating system commands as root on an affected device. Cisco Nexus 9000 Series Fabric Switches are prone to an local privilege-escalation vulnerability. This issue is being tracked by Cisco Bug ID CSCvm64104. The vulnerability stems from the lack of effective permissions and access control measures in network systems or products

A vulnerability in the TCP ingress handler for the data interfaces that are configured with management access to Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an increase in CPU and memory usage, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient ingress TCP rate limiting for TCP ports 22 (SSH) and 443 (HTTPS). An attacker could exploit this vulnerability by sending a crafted, steady stream of TCP traffic to port 22 or 443 on the data interfaces that are configured with management access to the affected device. Cisco Firepower Threat Defense (FTD) The software contains a resource management vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. Exploiting this issue allows remote attackers to cause a denial-of-service condition due to increase in CPU and memory usage. This issue is being tracked by Cisco Bug ID CSCvf95761, CSCvg76064, CSCvk35736, CSCvn51149

A vulnerability in the detection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, adjacent attacker to send data directly to the kernel of an affected device. The vulnerability exists because the software improperly filters Ethernet frames sent to an affected device. An attacker could exploit this vulnerability by sending crafted packets to the management interface of an affected device. A successful exploit could allow the attacker to bypass the Layer 2 (L2) filters and send data directly to the kernel of the affected device. A malicious frame successfully delivered would make the target device generate a specific syslog entry. Multiple Cisco Products are prone to a remote security-bypass vulnerability. Successfully exploiting this issue may allow an attacker to bypass certain security restrictions and perform unauthorized actions. This issue is being tracked by Cisco Bug CSCvm75358. This vulnerability stems from network systems or products not properly restricting access to resources from unauthorized roles

Multiple vulnerabilities in the Server Message Block (SMB) Protocol preprocessor detection engine for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, adjacent or remote attacker to cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory. Cisco Firepower Threat Defense (FTD) The software is vulnerable to resource exhaustion.Service operation interruption (DoS) There is a possibility of being put into a state. Exploiting these issues allow remote attackers to cause a denial-of-service condition. This issue is being tracked by Cisco Bug ID CSCvj83264, CSCvj91418. Cisco Firepower 4100 Series, etc. are all products of Cisco (Cisco). Cisco Firepower 4100 Series is a 4100 series firewall device. Cisco 3000 Series Industrial Security Appliances is a 3000 series firewall appliance. Cisco ASA 5500-X Series Firewalls is a 5500-X series firewall appliance. FTD Software is one of the unified software that provides next-generation firewall services. This vulnerability stems from improper management of system resources (such as memory, disk space, files, etc.) by network systems or products. The following products and versions are affected: Cisco 3000 Series Industrial Security Appliances (ISAs); Adaptive Security Appliance (ASA) 5500-X Series Firewalls; ASA 5500-X Series with FirePOWER Services; Advanced Malware Protection (AMP) for Networks for FirePOWER 7000 Series Appliances; AMP for Networks for FirePOWER 8000 Series Appliances; Firepower 2100 Series; Firepower 4100 Series; FirePOWER 7000 Series Appliances; FirePOWER 8000 Series Appliances; Firepower 9300 Security Appliances;

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 attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper management of authenticated sessions in the WebVPN portal. An attacker could exploit this vulnerability by authenticating with valid credentials and accessing a specific URL in the WebVPN portal. A successful exploit could allow the attacker to cause the device to reload, resulting in a temporary DoS condition. This issue is being tracked by Cisco Bug ID CSCvn77957. This vulnerability stems from improper management of system resources (such as memory, disk space, files, etc.) by network systems or products

A vulnerability in the filesystem management for the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an authenticated, local attacker with administrator rights to gain elevated privileges as the root user on an affected device. The vulnerability is due to overly permissive file permissions of specific system files. An attacker could exploit this vulnerability by authenticating to an affected device, creating a crafted command string, and writing this crafted string to a specific file location. A successful exploit could allow the attacker to execute arbitrary operating system commands as root on an affected device. The attacker would need to have valid administrator credentials for the device. Cisco Nexus 9000 Series Fabric Switches are prone to an local privilege-escalation vulnerability. This issue is being tracked by Cisco Bug ID CSCvo72253. The vulnerability stems from the lack of effective permissions and access control measures in network systems or products

A vulnerability in the session management functionality of the web UI for the Cisco Umbrella Dashboard could allow an authenticated, remote attacker to access the Dashboard via an active, user session. The vulnerability exists due to the affected application not invalidating an existing session when a user authenticates to the application and changes the users credentials via another authenticated session. An attacker could exploit this vulnerability by using a separate, authenticated, active session to connect to the application through the web UI. A successful exploit could allow the attacker to maintain access to the dashboard via an authenticated user's browser session. Cisco has addressed this vulnerability in the Cisco Umbrella Dashboard. No user action is required. Cisco Umbrella Dashboard Contains a session fixation vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. This issue is being tracked by Cisco bug ID CSCvo03940. The platform protects against cyber threats such as phishing, malware, and ransomware. This vulnerability stems from the lack of authentication measures or insufficient authentication strength in network systems or products

A vulnerability in the SSH key management for the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an unauthenticated, remote attacker to connect to the affected system with the privileges of the root user. The vulnerability is due to the presence of a default SSH key pair that is present in all devices. An attacker could exploit this vulnerability by opening an SSH connection via IPv6 to a targeted device using the extracted key materials. An exploit could allow the attacker to access the system with the privileges of the root user. This vulnerability is only exploitable over IPv6; IPv4 is not vulnerable. Cisco Nexus 9000 Series Fabric Switches are prone to an remote security-bypass vulnerability. An attacker can exploit this issue to bypass security restrictions and perform unauthorized actions. This may aid in further attacks. This issue is being tracked by Cisco Bug ID CSCvo80686. The vulnerability stems from incorrect use of relevant cryptographic algorithms by network systems or products, resulting in improperly encrypted content, weak encryption, and storing sensitive information in plain text

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 request forgery (CSRF) attack on an affected system. The vulnerability is due to insufficient CSRF protections for the web-based management interface on an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to follow a malicious link. A successful exploit could allow the attacker to perform arbitrary actions with the privilege level of the affected user. If the user has administrative privileges, the attacker could alter the configuration of, extract information from, or reload an affected device. Other attacks are also possible. This issue is being tracked by Cisco Bug ID CSCvj34599. Cisco Adaptive Security Appliances Software (ASA Software) is a set of firewall and network security platform of American Cisco (Cisco). The platform provides features such as highly secure access to data and network resources. The vulnerability stems from the WEB application not adequately verifying that the request is from a trusted user