Cisco IOS and IOS XE Software Short Message Service Denial of Service Vulnerability

A vulnerability in the implementation of the Short Message Service SMS handling functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service DoS condition on an affected device. The vulnerability is due to improper...

Cisco NX-OS Software CLI Arbitrary Command Injection Vulnerability

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to perform a command-injection attack on an affected device. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting...

Cisco Aironet Access Points Central Web Authentication FlexConnect Client ACL Bypass Vulnerability

A vulnerability in Central Web Authentication CWA with FlexConnect Access Points APs for Cisco Aironet 1560, 1810, 1810w, 1815, 1830, 1850, 2800, and 3800 Series APs could allow an authenticated, adjacent attacker to bypass a configured FlexConnect access control list ACL. The vulnerability is du...

Cisco Umbrella Dashboard Session Expiration Issue

Cisco Umbrella uses the internet infrastructure to block connections to malicious destinations before any connections to those destinations can be established. Cisco Umbrella also provides visibility into internet activity across all devices and all ports, even when users are no longer connected ...

Vulnerability in Linux Kernel Affecting Cisco Products: October 2016

On October 19, 2016, a new vulnerability related to a race condition in the memory manager of the Linux Kernel was disclosed. This vulnerability could allow unprivileged, local users to gain write access to otherwise read-only memory mappings to increase their privileges on the system. Cisco has...

Cisco IOS and IOS XE Software IPv6 First Hop Security Denial of Service Vulnerabilities

Two vulnerabilities in the IPv6 first hop security feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. Cisco has released software updates that address these vulnerabilities. There are no workarounds to mitigate these...

Cisco Unified Communications Manager Arbitrary File Read Vulnerability

A vulnerability in the command-line interface CLI of Cisco Unified Communications Manager Cisco UCM could allow an authenticated, local attacker to read the contents of arbitrary files. The vulnerability is due to incomplete input validation. An attacker could exploit this vulnerability by issuin...

Cisco IOS Software DHCP Denial of Service Vulnerability

A vulnerability in the DHCP implementation of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability occurs during the parsing of crafted DHCP packets. An attacker could exploit this vulnerability ...

Multiple Vulnerabilities in Cisco Unified Communications Manager

Cisco Unified Communications Manager Unified CM contains multiple vulnerabilities that could be used together to allow an unauthenticated, remote attacker to gather user credentials, escalate privileges, and execute commands to gain full control of the vulnerable system. A successful attack could...

Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability

Cisco Unified Communications Manager contains a vulnerability in its Session Initiation Protocol SIP implementation that could allow an unauthenticated, remote attacker to cause a critical service to fail, which could interrupt voice services. Affected devices must be configured to process SIP...

Malformed SNMP Message-Handling Vulnerabilities for Cisco Non-IOS Products

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Cisco IOS and IOS XE Software SNMP Denial of Service and Remote Code Execution Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow the following: An authenticated, remote attacker with low privileges could cause a denial of service DoS condition on an affected device that is running Cisco IOS...

Cisco Application Policy Infrastructure Controller and Cisco Cloud Network Controller Cross-Site Request Forgery Vulnerability

A vulnerability in the web-based management interface of Cisco Application Policy Infrastructure Controller APIC and Cisco Cloud Network Controller, formerly Cisco Cloud APIC, could allow an unauthenticated, remote attacker to conduct a cross-site request forgery CSRF attack on an affected system...

Multiple Cisco Products Snort Rule Denial of Service Vulnerability

Multiple Cisco products are affected by a vulnerability in Snort rules that could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper handling of the Block with Reset or Interactive Block with Reset actio...

Cisco NX-OS Software VXLAN OAM (NGOAM) Denial of Service Vulnerability

A vulnerability in the VXLAN Operation, Administration, and Maintenance OAM feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of specific...

Cisco Enterprise NFV Infrastructure Software Command Injection Vulnerability

A vulnerability in Cisco Enterprise NFV Infrastructure Software NFVIS could allow an authenticated, local attacker to perform a command injection attack on an affected device. The vulnerability is due to insufficient validation of user-supplied input to a configuration command. An attacker could...

Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center FMC Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the interface. These vulnerabilities are due to insufficient validation o...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Path Traversal Vulnerability

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...

Cisco Managed Services Accelerator Open Redirect Vulnerability

A vulnerability in the web interface of Cisco Managed Services Accelerator MSX could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this...

Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Issues

Cisco firmware for certain Cisco Small Business RV Series Routers is affected by the following issues: Certificate and key issued to QNO Technology Hardcoded password hashes Multiple vulnerabilities in third-party software TPS components Certificate and Key Issued to QNO Technology An X.509...

Cisco Firepower Management Center Multiple Cross-Site Scripting Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center FMC could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the web-based management interface. These vulnerabilities are due to insufficient...

Cisco IoT Field Network Director XML External Entity Vulnerability

A vulnerability in the web-based user interface of Cisco Internet of Things Field Network Director IoT-FND Software could allow an authenticated, remote attacker to gain read access to information that is stored on an affected system. The vulnerability is due to improper handling of XML External...

Multiple Privilege Escalation Vulnerabilities in Cisco SD-WAN Solution

Multiple vulnerabilities in the local CLI of the Cisco SD-WAN Solution could allow an authenticated, local attacker to escalate privileges and modify device configuration files. The vulnerabilities exist because user input is not properly sanitized for certain commands at the CLI. An attacker cou...

Cisco Adaptive Security Appliance Direct Memory Access Denial of Service Vulnerability

A vulnerability in the cryptographic hardware accelerator driver 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, resulting in a temporary denial of service DoS...

Cisco NX-OS Software Role-Based Access Control Elevated Privileges Vulnerability

A vulnerability in role-based access control RBAC for Cisco NX-OS Software could allow an authenticated, remote attacker to execute CLI commands that should be restricted for a nonadministrative user. The attacker would have to possess valid user credentials for the device. The vulnerability is d...

Cisco Unified Communications Manager Cross-Site Scripting Vulnerability

A vulnerability in the web framework of the Cisco Unified Communications Manager Unified CM software could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against the user of the web interface of the affected system. The vulnerability is due to insufficient...

Cisco Integrated Management Controller Supervisor and Cisco UCS Director DOM Stored Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Integrated Management Controller Supervisor Software and Cisco UCS Director Software could allow an authenticated, remote attacker to conduct a Document Object Model-based DOM-based, stored cross-site scripting XSS attack against a us...

Cisco Adaptive Security Appliance Clientless SSL VPN Cross-Site Scripting Vulnerability

A vulnerability in the Web Server Authentication Required screen of the Clientless Secure Sockets Layer SSL VPN portal of Cisco Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of that portal on an...

Cisco Unified Customer Voice Portal Interactive Voice Response Connection Denial of Service Vulnerability

A vulnerability in the Interactive Voice Response IVR management connection interface for Cisco Unified Customer Voice Portal CVP could allow an unauthenticated, remote attacker to cause the IVR connection to disconnect, creating a system-wide denial of service DoS condition. The vulnerability is...

Cisco Voice Operating System-Based Products Unauthorized Access Vulnerability

A vulnerability in the upgrade mechanism of Cisco collaboration products based on the Cisco Voice Operating System software platform could allow an unauthenticated, remote attacker to gain unauthorized, elevated access to an affected device. The vulnerability occurs when a refresh upgrade or Prim...

Cisco Industrial Ethernet 4000 and Ethernet 5000 Series Switches ICMP IPv4 Packet Corruption Vulnerability

A vulnerability in the packet processing microcode of Cisco Industrial Ethernet 4000 Series Switches and Cisco Industrial Ethernet 5000 Series Switches could allow an unauthenticated, remote attacker to corrupt packets enqueued on the device for further processing. The vulnerability is due to...

Multiple Vulnerabilities in the Cisco WebEx Recording Format and Advanced Recording Format Players

Multiple buffer overflow vulnerabilities exist in the Cisco WebEx Recording Format WRF and Advanced Recording Format ARF Players. Exploitation of these vulnerabilities could allow a remote attacker to crash an affected player, and in some cases, could allow a remote attacker to execute arbitrary...

Cisco IOS Software Resource Reservation Protocol Denial of Service Vulnerability

The Resource Reservation Protocol RSVP feature in Cisco IOS Software and Cisco IOS XE Software contains a vulnerability when used on a device that has Multiprotocol Label Switching with Traffic Engineering MPLS-TE enabled. Successful exploitation of the vulnerability could allow an unauthenticate...

Cisco IOS XE Wireless Controller Software Arbitrary File Upload Vulnerability

A vulnerability in the Out-of-Band Access Point AP Image Download, the Clean Air Spectral Recording, and the client debug bundles features of Cisco IOS XE Software for Wireless LAN Controllers WLCs could allow an unauthenticated, remote attacker to upload arbitrary files to an affected system. Th...

Cisco IOS XR Software Release 7.9.2 Denial of Service Vulnerability

A vulnerability in the handling of specific packets that are punted from a line card to a route processor in Cisco IOS XR Software Release 7.9.2 could allow an unauthenticated, adjacent attacker to cause control plane traffic to stop working on multiple Cisco IOS XR platforms. This vulnerability ...

ConfD CLI Privilege Escalation and Arbitrary File Read and Write Vulnerabilities

Multiple vulnerabilities in the ConfD CLI could allow an authenticated, low-privileged, local attacker to read and write arbitrary files as root or elevate privileges to root on the underlying operating system. For more information about these vulnerabilities, see the Details "details" section of...

Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability

A vulnerability in the Link Layer Discovery Protocol LLDP feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of specific fields i...

Vulnerabilities in Layer 2 Network Security Controls Affecting Cisco Products: September 2022

On September 27, 2022, the following vulnerabilities affecting Cisco products were disclosed by Cert/CC as part of VU855201, titled L2 network security controls can be bypassed using VLAN 0 stacking and/or 802.3 headers "https://kb.cert.org/vuls/id/855201": CVE-2021-27853: Layer 2 network filteri...

Cisco Small Business RV Series Routers Vulnerabilities

Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service DoS condition on an affected device. For more information about these vulnerabilities, see the...

Cisco Nexus Dashboard SSL Certificate Validation Vulnerability

A vulnerability in the SSL/TLS implementation of Cisco Nexus Dashboard could allow an unauthenticated, remote attacker to alter communications with associated controllers or view sensitive information. This vulnerability exists because SSL server certificates are not validated when Cisco Nexus...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Interface Denial of Service Vulnerability

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 unauthenticated, remote attacker to cause a denial of service DoS condition. This vulnerability is due to...

Cisco Webex Player Memory Corruption Vulnerability

A vulnerability in Cisco Webex Player for Windows and MacOS could allow an attacker to cause the affected software to terminate or to gain access to memory state information that is related to the vulnerable application. The vulnerability is due to insufficient validation of values in Webex...

Cisco SD-WAN vManage Software Vulnerabilities

Multiple vulnerabilities in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to execute arbitrary code or gain access to sensitive information, or allow an authenticated, local attacker to gain escalated privileges or gain unauthorized access to the application. For...

Cisco SD-WAN Software Arbitrary File Corruption Vulnerability

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system of an affected system. This vulnerability is due to insufficient validation of the user-supplied input parameters of a specific CLI command. ...

Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Authenticated Remote Code Execution Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to execute arbitrary code with elevated privileges equivalent to the web service process on an affected device. These...

Cisco NX-OS Software Unauthenticated Arbitrary File Actions Vulnerability

A vulnerability in the implementation of an internal file management service for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode that are running Cisco NX-OS Software could allow an unauthenticated, remote attacker to create, delete, or overwrite...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspection Bypass Vulnerability

Update from October 22nd, 2020: Cisco has become aware of a new Cisco Adaptive Security Appliance vulnerability that could affect the fixed releases recommended for code trains 9.13 and 9.14 in the Fixed Software "fs" section of this advisory. See the Cisco Adaptive Security Appliance Software...

Cisco Vision Dynamic Signage Director Directory Traversal Information Disclosure Vulnerability

A vulnerability in the web-based management interface of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to view potentially sensitive information on an affected device. The vulnerability is due to incorrect permissions within Apache configuration. An attacke...

Cisco ASR 920 Series Aggregation Services Router Model 12SZ-IM SNMP Denial of Service Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP implementation in Cisco ASR 920 Series Aggregation Services Router model ASR920-12SZ-IM could allow an authenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect handling of data that is return...

Cisco Aironet Access Points Bridge Protocol Data Unit Port Disable Denial of Service Vulnerability

A vulnerability in the bridge protocol data unit BPDU forwarding functionality of Cisco Aironet Access Points APs could allow an unauthenticated, adjacent attacker to cause an AP port to go into an error disabled state. The vulnerability occurs because BPDUs received from specific wireless client...