Input validation

A vulnerability in the wireless controller manager of Cisco IOS XE could allow an unauthenticated, adjacent attacker to cause a restart of the switch and result in a denial of service DoS condition. The vulnerability is due to insufficient input validation. An attacker could exploit this...

Race condition

A vulnerability in the Virtual Private LAN Service VPLS code of Cisco IOS 15.0 through 15.4 for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resulting in a denial of service DoS condition...

Input validation

A vulnerability in the web-based Wireless Controller GUI of Cisco IOS XE Software for Cisco 5760 Wireless LAN Controllers, Cisco Catalyst 4500E Supervisor Engine 8-E Wireless Switches, and Cisco New Generation Wireless Controllers NGWC 3850 could allow an authenticated, remote attacker to elevate...

CVE-2017-12238

A vulnerability in the Virtual Private LAN Service VPLS code of Cisco IOS 15.0 through 15.4 for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resulting in a denial of service DoS condition...

CVE-2017-12238

A vulnerability in the Virtual Private LAN Service VPLS code of Cisco IOS 15.0 through 15.4 for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resulting in a denial of service DoS condition...

CVE-2017-12222

CVE-2017-12222 describes a DoS in Cisco IOS XE Wireless Controller Manager. An unauthenticated, adjacent attacker can trigger a restart of Cisco Catalyst 3650/3850 switches running IOS XE versions 16.1–16.3.3 by sending a crafted association request, due to insufficient input validation. The vuln...

CVE-2017-12238

A vulnerability in the Virtual Private LAN Service VPLS code of Cisco IOS 15.0 through 15.4 for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resulting in a denial of service DoS condition...

CVE-2017-12238

Cisco IOS on Catalyst 6800 Series switches (Cisco 6800-16P10G/16P10G-XL with Supervisor Engine 6T) is affected by CVE-2017-12238. The vulnerability stems from a memory management flaw in the VPLS code, exploitable by an unauthenticated, adjacent attacker who can flood the MAC address table with V...

Cisco IOS Software for Cisco Catalyst 6800 Series Switches Denial of Service Vulnerability

Cisco Catalyst 6800 Series Switches is a switch device from Cisco USA.IOS is one of the operating systems used for network devices. A denial of service vulnerability exists in the Virtual Private LAN Service VPLS code in the IOS in Cisco Catalyst 6800 Series Switches. An attacker could exploit th...

Cisco IOS XE Software Denial of Service Vulnerability (CNVD-2017-34214)

The Cisco Catalyst 3650 and 3850 switches are both switch products from Cisco, Inc.IOS XE Software is one of the operating systems used for network devices. wireless controller manager is one of the wireless controller management programs. A denial of service vulnerability exists in the wireless...

Cisco IOS Software for Cisco Catalyst 6800 Series Switches VPLS Denial of Service Vulnerability

A vulnerability in the Virtual Private LAN Service VPLS code of Cisco IOS Software for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resulting in a denial of service DoS condition. The...

Cisco IOS XE Software for Cisco 5760 WLC, Cisco Catalyst 4500E Supervisor Engine 8-E, and Cisco NGWC 3850 GUI Privilege Escalation Vulnerability

A vulnerability in the web-based Wireless Controller GUI of Cisco IOS XE Software for Cisco 5760 Wireless LAN Controllers, Cisco Catalyst 4500E Supervisor Engine 8-E Wireless Switches, and Cisco New Generation Wireless Controllers NGWC 3850 could allow an authenticated, remote attacker to elevate...

PT-2017-4195 · Cisco · Cisco Ios +1

Name of the Vulnerable Software and Affected Versions: Cisco Catalyst 6800 Series Switches versions 15.0 through 15.4 Description: A memory management issue in the Virtual Private LAN Service VPLS code of Cisco IOS Software for Cisco Catalyst 6800 Series Switches could allow an unauthenticated,...

Cisco Releases Security Updates

Cisco has released updates to address vulnerabilities affecting multiple products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. US-CERT encourages users and administrators to review the following Cisco Security Advisories and apply the...

CVE-2011-4667

The encryption library in Cisco IOS Software 15.21T, 15.21T1, and 15.22T, Cisco NX-OS in Cisco MDS 9222i Multiservice Modular Switch, Cisco MDS 9000 18/4-Port Multiservice Module, and Cisco MDS 9000 Storage Services Node module before 5.26, and Cisco IOS in Cisco VPN Services Port Adaptor for...

Cisco Catalyst 4000 Series Switches Authentication Bypass Vulnerability

Cisco Catalyst 4000 Series Switches is a 4000 series switch device from Cisco USA.IOS XE Software is one of the operating systems developed for network devices. A security vulnerability exists in the dynamic access lists ACLs of the IOS XE Software in Cisco Catalyst 4000 Series Switches. An...

CVE-2017-12213

A vulnerability in the dynamic access control list ACL feature of Cisco IOS XE Software running on Cisco Catalyst 4000 Series Switches could allow an unauthenticated, adjacent attacker to cause dynamic ACL assignment to fail and the port to fail open. This could allow the attacker to pass traffic...

Input validation

A vulnerability in the dynamic access control list ACL feature of Cisco IOS XE Software running on Cisco Catalyst 4000 Series Switches could allow an unauthenticated, adjacent attacker to cause dynamic ACL assignment to fail and the port to fail open. This could allow the attacker to pass traffic...

CVE-2017-12213

A vulnerability in the dynamic access control list ACL feature of Cisco IOS XE Software running on Cisco Catalyst 4000 Series Switches could allow an unauthenticated, adjacent attacker to cause dynamic ACL assignment to fail and the port to fail open. This could allow the attacker to pass traffic...

CVE-2017-12213

The CVE-2017-12213 issue affects Cisco Catalyst 4000 Series Switches running IOS XE. It stems from an uncaught error when reassigning the auth-default-ACL dynamic ACL after 802.1x authentication fails, allowing an unauthenticated adjacent attacker to cause the dynamic ACL to fail open and forward...