Cisco Unity 2.x, 3.x, and 4.x, when integrated with Microsoft Exchange, has several hard coded usernames and passwords, which allows remote attackers to gain unauthorized access and change configuration settings or read outgoing or incoming e-mail messages.

The Session Initiation Protocol (SIP) implementation in multiple Cisco products including IP Phone models 7940 and 7960, IOS versions in the 12.2 train, and Secure PIX 5.2.9 to 6.2.2 allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted INVITE messages, as demonstrated by the OUSPG PROTOS c07-sip test suite.

Cisco WebEx Meeting Center does not properly restrict the content of URLs in GET requests, which allows remote attackers to obtain sensitive information or conduct SQL injection attacks via vectors involving read access to a request, aka Bug ID CSCup88398.

Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote attackers to cause a denial of service and possibly execute commands via a large number of OSPF neighbor announcements.

A vulnerability in the symbolic link (symlink) creation functionality of the AutoVNF tool for the Cisco Ultra Services Framework could allow an unauthenticated, remote attacker to read sensitive files or execute malicious code on an affected system. The vulnerability is due to the absence of validation checks for the input that is used to create symbolic links. This vulnerability affects all releases of the Cisco Ultra Services Framework prior to Releases 5.0.3 and 5.1. Cisco Bug IDs: CSCvc76654.

A vulnerability in the authentication module of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass local authentication. The vulnerability is due to improper handling of authentication requests and policy assignment for externally authenticated users. An attacker could exploit this vulnerability by authenticating with a valid external user account that matches an internal username and incorrectly receiving the authorization policy of the internal account. An exploit could allow the attacker to have Super Admin privileges for the ISE Admin portal. This vulnerability does not affect endpoints authenticating to the ISE. The vulnerability affects Cisco ISE, Cisco ISE Express, and Cisco ISE Virtual Appliance running Release 1.3, 1.4, 2.0.0, 2.0.1, or 2.1.0. Release 2.2.x is not affected. Cisco Bug IDs: CSCvb10995.

Stack-based buffer overflow in the CSAdmin service in Cisco Secure Access Control Server (ACS) for Windows before 4.1 and ACS Solution Engine before 4.1 allows remote attackers to execute arbitrary code via a crafted HTTP GET request.

Use-after-free vulnerability in decode_slice.cpp in Cisco OpenH264 1.2.0 and earlier allows remote attackers to execute arbitrary code via an encoded media file.

Cisco Security Agent Management Center (CSAMC) 5.1 before 5.1.0.79 does not properly handle certain LDAP error messages, which allows remote attackers to bypass authentication requirements via an empty password when using an external LDAP server.

A vulnerability in the identity management service of Cisco Digital Network Architecture (DNA) Center could allow an unauthenticated, remote attacker to bypass authentication and take complete control of identity management functions. The vulnerability is due to insufficient security restrictions for critical management functions. An attacker could exploit this vulnerability by sending a valid identity management request to the affected system. An exploit could allow the attacker to view and make unauthorized modifications to existing system users as well as create new users.

A vulnerability in the Cisco Fabric Services component of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. The vulnerability exists because the affected software insufficiently validates header values in Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to cause a buffer overflow that could allow the attacker to execute arbitrary code or cause a DoS condition. This vulnerability affects the following if configured to use Cisco Fabric Services: Firepower 4100 Series Next-Generation Firewalls, Firepower 9300 Security Appliance, MDS 9000 Series Multilayer Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules, UCS 6100 Series Fabric Interconnects, UCS 6200 Series Fabric Interconnects, UCS 6300 Series Fabric Interconnects. Cisco Bug IDs: CSCvd69954, CSCve02463, CSCve02785, CSCve02787, CSCve02804, CSCve04859.

A vulnerability in the Policy Builder database of Cisco Policy Suite before 18.2.0 could allow an unauthenticated, remote attacker to connect directly to the Policy Builder database. The vulnerability is due to a lack of authentication. An attacker could exploit this vulnerability by connecting directly to the Policy Builder database. A successful exploit could allow the attacker to access and change any data in the Policy Builder database. Cisco Bug IDs: CSCvh06134.

A vulnerability in the web framework code of Cisco Prime Collaboration Provisioning (PCP) could allow an unauthenticated, remote attacker to execute arbitrary SQL queries. The vulnerability is due to a lack of proper validation on user-supplied input in SQL queries. An attacker could exploit this vulnerability by sending crafted URLs that contain malicious SQL statements to the affected application. This vulnerability affects Cisco Prime Collaboration Provisioning (PCP) Releases 12.1 and prior. Cisco Bug IDs: CSCvd61754.

A vulnerability in the authentication functionality of the web-based service portal of Cisco Elastic Services Controller Software could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrator privileges on an affected system. The vulnerability is due to improper security restrictions that are imposed by the web-based service portal of the affected software. An attacker could exploit this vulnerability by submitting an empty password value to an affected portal when prompted to enter an administrative password for the portal. A successful exploit could allow the attacker to bypass authentication and gain administrator privileges for the web-based service portal of the affected software. This vulnerability affects Cisco Elastic Services Controller Software Release 3.0.0. Cisco Bug IDs: CSCvg29809.

Heap-based buffer overflow in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to execute arbitrary code via a long VLAN name in a VTP type 2 summary advertisement.

Cisco NAC allows quarantined devices to communicate over the network with (1) DNS, (2) DHCP, and (3) EAPoUDP, which allows attackers to bypass control methods by tunneling network traffic through one of these protocols.

Unspecified vulnerability in Cisco IPS 5.0 before 5.0(6p2) and 5.1 before 5.1(2), when running in inline or promiscuous mode, allows remote attackers to bypass traffic inspection via a "crafted sequence of fragmented IP packets".

Buffer overflow in decode.cpp in Cisco OpenH264 1.2.0 and earlier allows remote attackers to execute arbitrary code via an encoded media file.

Buffer overflow in Cisco Unified CallManager (CUCM) 5.0(1) through 5.0(3a) allows remote attackers to execute arbitrary code via a long hostname in a SIP request, aka bug CSCsd96542.

jmx-console/HtmlAdaptor in the jmx-console in the JBoss web application server, as shipped with Cisco Security Monitoring, Analysis and Response System (CS-MARS) before 4.2.1, allows remote attackers to gain privileges as the CS-MARS administrator and execute arbitrary Java code via an invokeOp action in the BSHDeployer jboss.scripts service name.

The internal database in Cisco Wireless Control System (WCS) for Linux and Windows before 3.2(63) stores a hard-coded username and password in plaintext within unspecified files, which allows remote authenticated users to access the database (aka bug CSCsd15951).

The internal database in Cisco Wireless Control System (WCS) for Linux and Windows before 3.2(51) uses an undocumented, hard-coded username and password, which allows remote authenticated users to read, and possibly modify, sensitive configuration data (aka bugs CSCsd15955).

SQL injection vulnerability in the Certificate Authority Proxy Function (CAPF) implementation in Cisco Unified Communications Manager (Unified CM) 10.0(1) and earlier allows remote attackers to execute arbitrary SQL commands via a crafted URL, aka Bug ID CSCum46483.

SQL injection vulnerability in the Enterprise Mobility Application (EMApp) interface in Cisco Unified Communications Manager (UCM) allows remote attackers to execute arbitrary SQL commands via a crafted URL, aka Bug ID CSCum05302.

Cisco CiscoWorks Wireless LAN Solution Engine (WLSE) and WLSE Express before 2.13, Hosting Solution Engine (HSE) and User Registration Tool (URT) before 20060419, and all versions of Ethernet Subscriber Solution Engine (ESSE) and CiscoWorks2000 Service Management Solution (SMS) allow local users to gain Linux shell access via shell metacharacters in arguments to the "show" command in the application's command line interface (CLI), aka bug ID CSCsd21502 (WLSE), CSCsd22861 (URT), and CSCsd22859 (HSE). NOTE: other issues might be addressed by the Cisco advisory.

The installation of Cisco Transport Controller (CTC) for Cisco Optical Networking System (ONS) 15000 series nodes adds a Java policy file entry with a wildcard that grants the java.security.AllPermission permission to any http URL containing "fs/LAUNCHER.jar", which allows remote attackers to execute arbitrary code on a CTC workstation, aka bug ID CSCea25049.

SQL injection vulnerability in the IP Manager Assistant (IPMA) interface in Cisco Unified Communications Manager (UCM) 10.0(1) and earlier allows remote attackers to execute arbitrary SQL commands via a crafted URL, aka Bug ID CSCum05326.

Cisco IOS XR on ASR 9000 devices does not properly use compression for port-range and address-range encoding, which allows remote attackers to bypass intended Typhoon line-card ACL restrictions via transit traffic, aka Bug ID CSCup30133.

Cisco PIX/ASA 7.1.x before 7.1(2) and 7.0.x before 7.0(5), PIX 6.3.x before 6.3.5(112), and FWSM 2.3.x before 2.3(4) and 3.x before 3.1(7), when used with Websense/N2H2, allows remote attackers to bypass HTTP access restrictions by splitting the GET method of an HTTP request into multiple packets, which prevents the request from being sent to Websense for inspection, aka bugs CSCsc67612, CSCsc68472, and CSCsd81734.

The BVSMWeb portal in the web framework in Cisco Unified Communications Domain Manager (CDM) in Unified CDM Application Software before 10 does not properly implement access control, which allows remote attackers to modify user information via a crafted URL, aka Bug ID CSCum77041.

SQL injection vulnerability in the Java database interface in Cisco Unified Communications Manager (UCM) 10.0(1) and earlier allows remote attackers to execute arbitrary SQL commands via a crafted URL, aka Bug ID CSCum05313.

SQL injection vulnerability in the CallManager Interactive Voice Response (CMIVR) interface in Cisco Unified Communications Manager (UCM) allows remote attackers to execute arbitrary SQL commands via a crafted URL, aka Bug ID CSCum05318.

Cisco Clean Access (CCA) 3.3.0 to 3.3.9, 3.4.0 to 3.4.5, and 3.5.0 to 3.5.3 does not properly authenticate users when invoking API methods, which could allow remote attackers to bypass security checks, change the assigned role of a user, or disconnect users.

Buffer overflow in Firewall Authentication Proxy for FTP and/or Telnet Sessions for Cisco IOS 12.2ZH and 12.2ZL, 12.3 and 12.3T, and 12.4 and 12.4T allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted user authentication credentials.

By design, the "established" command on the Cisco PIX firewall allows connections from one host to arbitrary ports of a target host if an alternative conduit has already been allowed, which can cause administrators to configure less restrictive access controls than intended if they do not understand this functionality.

Cisco VPN 3000 series concentrators and Cisco VPN 3002 Hardware Client 3.5.x through 4.0.REL, when enabling IPSec over TCP for a port on the concentrator, allow remote attackers to reach the private network without authentication.

Cisco IOS 12.2T, 12.3 and 12.3T, when processing an ISAKMP profile that specifies XAUTH authentication after Phase 1 negotiation, may not process certain attributes in the ISAKMP profile that specifies XAUTH, which allows remote attackers to bypass XAUTH and move to Phase 2 negotiations.

Cisco Unity on IBM servers is shipped with default settings that should have been disabled by the manufacturer, which allows local or remote attackers to conduct unauthorized activities via (1) a "bubba" local user account, (2) an open TCP port 34571, or (3) when a local DHCP server is unavailable, a DHCP server on the manufacturer's test network.

Unknown vulnerability in Cisco Firewall Services Module (FWSM) 2.3.1 and earlier, when using URL, FTP, or HTTPS filtering exceptions, allows certain TCP packets to bypass access control lists (ACLs).

Cisco IOS 12.2T, 12.3 and 12.3T, when using Easy VPN Server XAUTH version 6 authentication, allows remote attackers to bypass authentication via a "malformed packet."

Cisco devices running Application and Content Networking System (ACNS) 4.x, 5.0, 5.1, or 5.2 use a default password when the setup dialog has not been run, which allows remote attackers to gain access.

Cisco Personal Assistant 1.4(1) and 1.4(2) disables password authentication when "Allow Only Cisco CallManager Users" is enabled and the Corporate Directory settings refer to the directory service being used by Cisco CallManager, which allows remote attackers to gain access with a valid username.

Multiple vulnerabilities in the H.323 protocol implementation for Cisco IOS 11.3T through 12.2T allow remote attackers to cause a denial of service and possibly execute arbitrary code, as demonstrated by the NISCC/OUSPG PROTOS test suite for the H.225 protocol.

Buffer overflow in the authentication module for Cisco ACNS 4.x before 4.2.11, and 5.x before 5.0.5, allows remote attackers to execute arbitrary code via a long password.

Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.3, adds an "HTTPS on Public Inbound (XML-Auto)(forward/in)" rule but sets the protocol to "ANY" when the XML filter configuration is enabled, which ultimately allows arbitrary traffic to pass through the concentrator.

Cisco Unity 2.x and 3.x uses well-known default user accounts, which could allow remote attackers to gain access and place arbitrary calls.

Cross-site scripting vulnerability in CiscoSecure ACS 3.0 allows remote attackers to execute arbitrary script or HTML as other web users via the action argument in a link to setup.exe.

The encryption algorithms for enable and passwd commands on Cisco PIX Firewall can be executed quickly due to a limited number of rounds, which make it easier for an attacker to decrypt the passwords using brute force techniques.

The original patch for the Cisco Content Service Switch 11000 Series authentication bypass vulnerability (CVE-2001-0622) was incomplete, which still allows remote attackers to gain additional privileges by directly requesting the web management URL instead of navigating through the interface, possibly via a variant of the original attack, as identified by Cisco bug ID CSCdw08549.

The default configuration of the proxy for Cisco Cache Engine and Content Engine allows remote attackers to use HTTPS to make TCP connections to allowed IP addresses while hiding the actual source IP.