Cisco Email Security Appliance Denial of Service Vulnerability

A vulnerability in Cisco AsyncOS Software for Cisco Email Security Appliance ESA 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 certain TLS connections that are processed by an...

Cisco Identity Services Engine Path Traversal Vulnerability

A vulnerability in the Localdisk Management feature of Cisco Identity Services Engine ISE could allow an authenticated, remote attacker to make unauthorized changes to the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this...

Cisco Identity Services Engine Cross-Site Request Forgery Vulnerability

A vulnerability in the web-based management interface of Cisco Identity Services Engine ISE could allow an unauthenticated, remote attacker to conduct a cross-site request forgery CSRF attack and perform arbitrary actions on an affected device. This vulnerability is due to insufficient CSRF...

Vulnerabilities in OpenSSL Affecting Cisco Products: November 2022

On November 1, 2022, the OpenSSL Project announced the following vulnerabilities: CVE-2022-3602 - X.509 Email Address 4-byte Buffer Overflow CVE-2022-3786 - X.509 Email Address Variable Length Buffer Overflow For a description of these vulnerabilities, see OpenSSL Security Advisory Nov 1 2022...

Cisco Identity Services Engine Unauthorized File Access Vulnerability

A vulnerability in the web-based management interface of Cisco Identity Services Engine ISE could allow an authenticated, remote attacker to list, download, and delete files on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could explo...

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

A vulnerability in the External RESTful Services ERS API of Cisco Identity Services Engine ISE Software could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the interface of an affected device. This vulnerability is due to insufficient input...

Cisco TelePresence Collaboration Endpoint and RoomOS Software Vulnerabilities

Multiple vulnerabilities in Cisco TelePresence Collaboration Endpoint CE Software and Cisco RoomOS Software could allow an attacker to conduct path traversal attacks, view sensitive data, or write arbitrary files on an affected device. For more information about these vulnerabilities, see the...

Cisco Meraki MX and Z3 Teleworker Gateway VPN Denial of Service Vulnerability

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z3 Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient validation of...

Cisco Touch 10 Devices Insufficient Identity Verification Vulnerability

A vulnerability in pairing process of Cisco TelePresence CE Software and RoomOS Software for Cisco Touch 10 Devices could allow an unauthenticated, remote attacker to impersonate a legitimate device and pair with an affected device. This vulnerability is due to insufficient identity verification...

Cisco Enterprise NFV Infrastructure Software Improper Signature Verification Vulnerability

A vulnerability in the upgrade signature verification of Cisco Enterprise NFV Infrastructure Software NFVIS could allow an unauthenticated, local attacker to provide an unauthentic upgrade file for upload. This vulnerability is due to insufficient cryptographic signature verification of upgrade...

Cisco Secure Web Appliance Content Encoding Filter Bypass Vulnerabilities

Multiple vulnerabilities in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance, formerly Cisco Web Security Appliance WSA, could allow an unauthenticated, remote attacker to bypass a configured rule, thereby allowing traffic onto a network that should have been blocked...

Cisco Touch 10 Devices Downgrade Vulnerability

A vulnerability in the version control of Cisco TelePresence CE Software for Cisco Touch 10 Devices could allow an unauthenticated, adjacent attacker to install an older version of the software on an affected device. This vulnerability is due to insufficient version control. An attacker could...

Cisco Jabber Client Software Extensible Messaging and Presence Protocol Stanza Smuggling Vulnerability

A vulnerability in the Extensible Messaging and Presence Protocol XMPP message processing feature of Cisco Jabber could allow an authenticated, remote attacker to manipulate the content of XMPP messages that are used by the affected application. This vulnerability is due to the improper handling ...

Cisco Smart Software Manager On-Prem Privilege Escalation Vulnerability

A vulnerability in the web-based management interface of Cisco Smart Software Manager On-Prem could allow an authenticated, remote attacker to elevate privileges on an affected system. This vulnerability is due to inadequate protection of sensitive user information. An attacker could exploit this...

Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities

Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol LLDP for Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to execute code, cause the service to reload unexpectedly, or cause Cisco Discovery Protocol or LLDP database corrupti...

Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities

Multiple vulnerabilities in the API and in the web-based management interface of Cisco Expressway Series Software and Cisco TelePresence Video Communication Server VCS Software could allow a remote attacker to bypass certificate validation or conduct cross-site request forgery attacks on an...

Cisco BroadWorks Hosted Thin Receptionist Cross-Site Scripting Vulnerability

A vulnerability in the web management interface of Cisco BroadWorks Hosted Thin Receptionist could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the interface. This vulnerability is due to insufficient user input validation. An attacker cou...

Cisco IOS XE ROM Monitor Software for Catalyst Switches Information Disclosure Vulnerability

A vulnerability in the password-recovery disable feature of Cisco IOS XE ROM Monitor ROMMON Software for Cisco Catalyst Switches could allow an unauthenticated, local attacker to recover the configuration or reset the enable password. This vulnerability is due to a problem with the file and boot...

Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst 9100 Series Access Points UDP Processing Denial of Service Vulnerability

A vulnerability in the UDP processing functionality of Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst 9100 Series Access Points could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. This vulnerability is due to the improper processing of...

Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Denial of Service Vulnerability

A vulnerability in the DHCP processing functionality of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. This vulnerability is due to the improper processing of DHCP messages. An...

Cisco IOS and IOS XE Software Common Industrial Protocol Request Denial of Service Vulnerability

A vulnerability in the processing of malformed Common Industrial Protocol CIP packets that are sent to Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service DoS condition...

Cisco Software-Defined Application Visibility and Control on Cisco vManage Static Username and Password Vulnerability

A vulnerability in authentication mechanism of Cisco Software-Defined Application Visibility and Control SD-AVC on Cisco vManage could allow an unauthenticated, remote attacker to access the GUI of Cisco SD-AVC using a default static username and password combination. This vulnerability exists...

Cisco IOS XE Software Web UI Command Injection Vulnerability

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to perform an injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input...

Cisco SD-WAN Software Privilege Escalation Vulnerabilities

Multiple vulnerabilities in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges. These vulnerabilities are due to improper access controls on commands within the application CLI. An attacker could exploit these vulnerabilities by running a...

Cisco IOS and IOS XE Software SSH Denial of Service Vulnerability

A vulnerability in the SSH implementation of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. This vulnerability is due to improper handling of resources during an exceptional situation. An attacker could exploit thi...

Cisco Wireless LAN Controller AireOS Software FIPS Mode Denial of Service Vulnerability

A vulnerability in the authentication functionality of Cisco Wireless LAN Controller WLC AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient error validation. An attacker coul...

Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Mobility Denial of Service Vulnerability

A vulnerability in the processing of Control and Provisioning of Wireless Access Points CAPWAP Mobility messages in Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst Access Points Privilege Escalation Vulnerability

A vulnerability in the self-healing functionality of Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst Access Points could allow an authenticated, local attacker to escape the restricted controller shell and execute arbitrary commands on the underlying operating system of the...

Cisco SD-WAN Arbitrary File Deletion Vulnerability

A vulnerability in the CLI of stand-alone Cisco IOS XE SD-WAN Software and Cisco SD-WAN Software could allow an authenticated, local attacker to delete arbitrary files from the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit...

Cisco IOS XE Software for Catalyst Switches MPLS Denial of Service Vulnerability

A vulnerability in the egress MPLS packet processing function of Cisco IOS XE Software for Cisco Catalyst 3650, Catalyst 3850, and Catalyst 9000 Family Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service DoS...

Cisco IOS XE Software IPv6 VPN over MPLS Denial of Service Vulnerability

A vulnerability in the implementation of IPv6 VPN over MPLS 6VPE with Zone-Based Firewall ZBFW of Cisco IOS XE 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 error handling of an IP...

Cisco Duo for macOS Authentication Bypass Vulnerability

A vulnerability in the smart card login authentication of Cisco Duo for macOS could allow an unauthenticated attacker with physical access to bypass authentication. This vulnerability exists because the assigned user of a smart card is not properly matched with the authenticating user. An attacke...

Cisco IOS XE Software for Catalyst 9200 Series Switches Arbitrary Code Execution Vulnerability

A vulnerability in the software image verification functionality of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches could allow an unauthenticated, physical attacker to execute unsigned code at system boot time. This vulnerability is due to an improper check in the code function tha...

Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Information Disclosure Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an authenticated, remote attacker to access sensitive information. This vulnerability is due to insufficient restrictions that allow a sensitive...

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 and possibly corrupt files on an affected system. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting arbitrary commands...

Cisco Software-Defined Application Visibility and Control on Cisco vManage Authentication Bypass Vulnerability

A vulnerability in authentication mechanism of Cisco Software-Defined Application Visibility and Control SD-AVC on Cisco vManage could allow an unauthenticated, remote attacker to access the GUI of Cisco SD-AVC without authentication. This vulnerability exists because the GUI is accessible on...

Cisco IOS XE Software DNS NAT Protocol Application Layer Gateway Denial of Service Vulnerability

A vulnerability in the DNS application layer gateway ALG functionality that is used by Network Address Translation NAT in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a logic error that occurs when an...

Cisco Catalyst 9100 Series Access Points Association Request Denial of Service Vulnerability

A vulnerability in the 802.11 association frame validation of Cisco Catalyst 9100 Series Access Points APs could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient input validation of certain...

Cisco Access Points VLAN Bypass from Native VLAN Vulnerability

A vulnerability in the client forwarding code of multiple Cisco Access Points APs could allow an unauthenticated, adjacent attacker to inject packets from the native VLAN to clients within nonnative VLANs on an affected device. This vulnerability is due to a logic error on the AP that forwards...

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 IOS XR Software Broadband Network Gateway PPP over Ethernet Denial of Service Vulnerability

A vulnerability in the Broadband Network Gateway PPP over Ethernet PPPoE feature of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the PPPoE process to continually crash. This vulnerability exists because the PPPoE feature does not properly handle an error...

Cisco IOS XR Software Cisco Discovery Protocol Denial of Service Vulnerability

A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the Cisco Discovery Protocol process to reload on an affected device. This vulnerability is due to a heap buffer overflow in certain Cisco Discovery...

Cisco Network Convergence System 4000 Series TL1 Denial of Service Vulnerability

A vulnerability in the TL1 function of Cisco Network Convergence System NCS 4000 Series could allow an authenticated, local attacker to cause a memory leak in the TL1 process. This vulnerability is due to TL1 not freeing memory under some conditions. An attacker could exploit this vulnerability b...

Vulnerability in NVIDIA Data Plane Development Kit Affecting Cisco Products: August 2022

On August 29, 2022, NVIDIA announced the following vulnerability with a medium impact: CVE-2022-28199: Security Bulletin: NVIDIA Data Plane Development Kit MLNXDPDK - August 2022 For a description of this vulnerability, see Security Bulletin: NVIDIA Data Plane Development Kit MLNXDPDK - August 20...

Cisco Meraki MR Series Splash Page Insecure Configuration Option

A configuration option for the Splash Page feature also known as Captive Portal in Cisco Meraki MR Series devices may allow an administrator to configure an 802.11 WLAN in which traffic policies are not applied to clients that are connecting to the network. The insecure configuration is determine...

Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers IPSec VPN Server Authentication Bypass Vulnerability

A vulnerability in the IPSec VPN Server authentication functionality of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to bypass authentication controls and access the IPSec VPN network. This vulnerability is due to the improper...

Cisco SD-WAN vManage Software Unauthenticated Access to Messaging Services Vulnerability

A vulnerability in the binding configuration of Cisco SD-WAN vManage Software containers could allow an unauthenticated, adjacent attacker who has access to the VPN0 logical network to also access the messaging service ports on an affected system. This vulnerability exists because the messaging...

Cisco Webex Meetings App Character Interface Manipulation Vulnerability

A vulnerability in the messaging interface of Cisco Webex App, formerly Webex Teams, could allow an unauthenticated, remote attacker to manipulate links or other content within the messaging interface. This vulnerability exists because the affected software does not properly handle character...

Cisco ACI Multi-Site Orchestrator Privilege Escalation Vulnerability

A vulnerability in the API implementation of Cisco ACI Multi-Site Orchestrator MSO could allow an authenticated, remote attacker to elevate privileges on an affected device. This vulnerability is due to improper authorization on specific APIs. An attacker could exploit this vulnerability by sendi...

Cisco FXOS and NX-OS Software Cisco Discovery Protocol Denial of Service and Arbitrary Code Execution Vulnerability

A vulnerability in the Cisco Discovery Protocol feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code with root privileges or cause a denial of service DoS condition on an affected device. This vulnerability is due to...